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Guru Nanak Dev Ji: Life and Teachings

Professor: Kavi Santokh Singh · Source: SikhLibrary

This course studies the life and message of Guru Nanak Dev Ji (1469-1539), the founder of the Sikh faith, in an academic but accessible way. It traces his birth at Nankana Sahib, the spiritual awakening at Sultanpur Lodhi, the four Udasis or great journeys, his central teachings on the One Creator, honest work,…

Begin course 6 lessons · 8-question test · 80% to pass
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What you'll learn

  • Place the major events of Guru Nanak's life within the historical setting of fifteenth and sixteenth century Punjab.
  • Explain the core teachings of Ik Onkar, Naam, and the three pillars of daily life in plain language.
  • Distinguish documented history from the devotional janamsakhi narrative and assess each on its own terms.
  • Describe the literary character of Kavi Santokh Singh's Nanak Prakash and Sri Gur Pratap Suraj Granth as devotional historiography.
  • Analyze how the institutions of Sangat, Pangat, and Langar enacted the teaching of human equality.
  • Evaluate the principle of merit-based succession established when the Guruship passed to Guru Angad.

Key terms — ਸ਼ਬਦਾਵਲੀ

TermAcademic context
Ik Onkar, the One Universal Creator; the opening of the Guru Granth Sahib and the foundation of Guru Nanak's teaching.
ਨਾਮNaam, the conscious and loving remembrance of the Divine that reorients the whole of life.
ਉਦਾਸੀUdasi, one of the great journeys Guru Nanak undertook to share his message and meet people of many faiths.
ਜਨਮਸਾਖੀJanamsakhi, a devotional biography of Guru Nanak composed after his lifetime; treasured tradition rather than documentary record.
ਸੰਗਤSangat, the gathered holy congregation that sings the divine praises and learns together.
ਲੰਗਰLangar, the free community kitchen serving all people equally, embodying the teaching of oneness.
ਕਿਰਤ ਕਰੋKirat Karo, earning one's living through honest and dignified work.
ਵੰਡ ਛਕੋVand Chhako, sharing what one has with others, especially those in need.

Lessons

1. Birth and Early Life at Nankana Sahib

Full course contents
  1. Birth and Early Life at Nankana Sahib
  2. The Awakening at Sultanpur Lodhi
  3. The Udasis: Journeys of a Teacher
  4. Episodes and Sayings from the Journeys
  5. Core Teachings: Oneness, Naam, and Honest Living
  6. Kartarpur, Equality, and the Passing of Guruship

A Child of the Punjab

Guru Nanak Dev Ji was born in 1469 in the village of Rai Bhoi di Talwandi, in the Punjab region of present-day Pakistan. The town was later renamed Nankana Sahib in his honor. His father, Mehta Kalu, managed revenue records for the local landlord, and his mother, Mata Tripta, is remembered for her gentleness. Modern historians treat the date and place of birth as reasonably secure points of the record (Grewal 1998).

An Unusual Child

Traditional accounts describe Nanak as a contemplative child who asked searching questions about God and ritual. His elder sister, Bibi Nanaki, recognized something extraordinary in him. Many beloved childhood stories reach us through the ਜਨਮਸਾਖੀ, devotional biographies composed in the generations after his passing. These are read as treasured tradition rather than documentary record (Singh and Fenech 2014).

The Sacred Thread

One frequently retold episode concerns the sacred thread, or janeu, that boys of certain communities were expected to wear. According to tradition, the young Nanak declined the ritual thread, asking instead for a thread of compassion, contentment, and truth that would never break. Whether or not the scene unfolded exactly so, it captures a theme that would define his message: inner virtue matters far more than outward ceremony.

How We Know What We Know

It helps to name our sources clearly. The table below distinguishes their character.

SourceTypeHow to read it
Guru Granth Sahib (Guru Nanak's verses)Primary scriptureThe most reliable window into his thought
JanamsakhisDevotional biographyCherished tradition; treat narrative details with care
Santokh Singh, Nanak PrakashDevotional historiography in verseRich literary retelling, not a modern chronicle
Modern scholarship (Grewal; Singh and Fenech)Academic historyCritical assessment of what is documented

The narrative details of his life come largely from the janamsakhi tradition, which is devotional in purpose; throughout this course we note where an account is firmly historical and where it belongs to cherished tradition (Grewal 1998).

References: Grewal, J. S. The Sikhs of the Punjab. Cambridge, 1998. Singh, Pashaura, and Louis E. Fenech, eds. The Oxford Handbook of Sikh Studies. Oxford, 2014.

2. The Awakening at Sultanpur Lodhi

A Turning Point

As a young man, Guru Nanak married Mata Sulakhni, and the couple had two sons, Sri Chand and Lakhmi Das. He took employment at Sultanpur Lodhi, where his sister Nanaki lived, working in the storehouse of the local governor. By all accounts he was honest and diligent even as his heart remained drawn toward the Divine.

The Awakening

The defining event of Guru Nanak's life is traditionally placed at Sultanpur Lodhi. The janamsakhi accounts relate that one morning he entered the waters of the Bein river and did not emerge for three days. When he returned, he had undergone a profound spiritual experience. Kavi Santokh Singh's Nanak Prakash renders this awakening in extended devotional verse, a literary celebration rather than a modern chronicle (Santokh Singh, Nanak Prakash).

"There Is No Hindu, No Muslim"

His first declaration is traditionally remembered as "there is no Hindu, no Muslim." This was not a dismissal of anyone's faith. The deeper point is that before the One Creator, the labels people use to rank and separate one another carry no ultimate weight; what matters is how one lives, with truth, humility, and devotion. He went on to teach members of every community, and his closest lifelong companion was Bhai Mardana, a Muslim musician (Singh and Fenech 2014).

The Beginning of the Mission

After this experience, Guru Nanak began to share his message in verse and song, accompanied by Mardana on the rabab. This marks the start of his life as a teacher and the genesis of the Sikh tradition, whose name comes from a word meaning learner or disciple. His own foundational composition, Japji Sahib, opens the Guru Granth Sahib at its very first page (Guru Granth Sahib, Ang 1).

References: Santokh Singh, Bhai. Sri Gur Nanak Prakash. Amritsar. Singh, Pashaura, and Louis E. Fenech, eds. The Oxford Handbook of Sikh Studies. Oxford, 2014. Guru Granth Sahib, Japji Sahib, Ang 1.

3. The Udasis: Journeys of a Teacher

Carrying the Message

Rather than settling in one place, Guru Nanak set out on a series of long journeys known as the ਉਦਾਸੀ. Tradition counts four major journeys spanning roughly two decades, during which he traveled great distances on foot to share his message and to engage people of many faiths in dialogue.

The Four Directions

The journeys are traditionally described as reaching the four directions, summarized below.

JourneyDirectionRegions named in tradition
First UdasiEastToward Bengal and Assam
Second UdasiSouthToward Sri Lanka
Third UdasiNorthInto the Himalayan regions
Fourth UdasiWestToward the centers of the Islamic world

Along the way he visited temples, mosques, monasteries, and gatherings of holy men, meeting people in their own settings.

Companionship on the Road

For much of this period Bhai Mardana accompanied him. Their partnership, with Guru Nanak composing verses and Mardana setting them to music, became a model for carrying the divine message through devotional song, a practice central to Sikh worship today.

A Note on the Accounts

The geographic scope described in tradition is vast, and historians debate the precise routes and the historicity of particular destinations (Grewal 1998). What is not in doubt is that Guru Nanak was a great traveler who engaged diverse communities directly. Kavi Santokh Singh's Sri Gur Pratap Suraj Granth gathers many of these journey episodes into a sweeping devotional narrative (Santokh Singh, Suraj Granth).

References: Grewal, J. S. The Sikhs of the Punjab. Cambridge, 1998. Santokh Singh, Bhai. Sri Gur Pratap Suraj Granth. Amritsar.

4. Episodes and Sayings from the Journeys

Teaching Through Encounter

The janamsakhis preserve many memorable episodes from the Udasis, each told to illustrate a teaching. The following are among the most beloved, presented as they are traditionally recounted and as Kavi Santokh Singh elaborates them in verse (Santokh Singh, Nanak Prakash).

The Direction of Prayer

In one account set near Mecca, Guru Nanak was rebuked for resting with his feet pointing toward the holy sanctuary. He is said to have gently replied that the questioner should turn his feet wherever God was not. The story teaches that the Divine is present everywhere, not confined to a single building or direction.

The True Offering

Another well-known episode contrasts a wealthy host, Malik Bhago, with a poor carpenter, Bhai Lalo, who offered simple food earned by honest labor. According to tradition, the honest bread of the laborer was sweet while the rich man's food, gained through exploitation, was bitter. The lesson is that the fruit of honest work, ਕਿਰਤ ਕਰੋ, is purer than wealth gained unjustly.

A Pattern of Values

Several stories turn on hospitality, humility, and the dignity of the humble, consistently elevating sincerity and service over status and show. Taken together they form a coherent moral vision: live honestly, serve others, and see the Divine in all.

Reading Reverently and Carefully

These episodes are cherished and instructive. A careful student notes that they belong to the devotional biography tradition (Singh and Fenech 2014). Their enduring value lies in the teachings they convey, which align closely with the message found in Guru Nanak's own verses.

References: Santokh Singh, Bhai. Sri Gur Nanak Prakash. Amritsar. Singh, Pashaura, and Louis E. Fenech, eds. The Oxford Handbook of Sikh Studies. Oxford, 2014.

5. Core Teachings: Oneness, Naam, and Honest Living

Ik Onkar: The One

The opening of the Guru Granth Sahib, composed by Guru Nanak, is , the One Universal Creator. This is the cornerstone of his teaching: one Reality underlies all existence, beyond birth and death, beyond fear and enmity, self-existent and known through grace. These words begin Japji Sahib at the very first page of the scripture (Guru Granth Sahib, Ang 1).

Naam: Remembering the Divine

Central to his path is ਨਾਮ, the conscious remembrance of the Divine. To dwell on the One with love and attention reorients the whole of life. This is not a withdrawal from the world but a way of living in it with awareness and gratitude.

Three Pillars of Daily Life

Guru Nanak distilled spiritual life into three practical principles a householder could live by, summarized here.

PrincipleMeaning
Naam JapoRemember the Divine with love and constancy
ਕਿਰਤ ਕਰੋEarn a living through honest, dignified work
ਵੰਡ ਛਕੋShare what you have, especially with those in need

A Path for Everyone

Unlike traditions that prized renunciation, Guru Nanak taught that the spiritual life is lived in the midst of family and society. One need not abandon the world to find the Divine; rather, one finds the Divine by living truthfully within it. This affirmation of ordinary life as a setting for the sacred is among his most distinctive contributions (Grewal 1998).

References: Guru Granth Sahib, Japji Sahib, Ang 1. Grewal, J. S. The Sikhs of the Punjab. Cambridge, 1998.

6. Kartarpur, Equality, and the Passing of Guruship

Settling at Kartarpur

After his years of travel, Guru Nanak settled at Kartarpur, a town he established on the banks of the Ravi river, living as a farmer and householder while teaching. Kartarpur became the first organized Sikh community, a living demonstration of his principles.

Sangat, Pangat, and Langar

At Kartarpur, followers gathered as the ਸੰਗਤ, the holy congregation, to sing the divine praises. Two enduring institutions took shape: Pangat, everyone sitting together in a row to eat regardless of caste or status, and ਲੰਗਰ, the free community kitchen serving all. In a society sharply divided by such distinctions, sitting and eating as equals powerfully enacted the teaching of oneness, and Langar continues today in every Sikh gurdwara.

One Creator, One Family

If there is one Creator, Guru Nanak reasoned, then all people share a common origin and dignity. He rejected the idea that birth into a caste makes one superior or inferior, and he spoke directly for the dignity of women, asking why one should call inferior those who give birth to all of humanity. He likewise distinguished sincere devotion from mechanical ritual, teaching that true purity is a matter of the heart and conduct, not of external rites (Singh and Fenech 2014).

The Passing of Guruship

As his life drew toward its close, Guru Nanak chose a devoted follower, Bhai Lehna, over his own sons, on the basis of humility, service, and understanding. He renamed him Angad, signifying the unity of the Guruship across the change in person. Guru Angad would later develop the Gurmukhi script. Guru Nanak passed away at Kartarpur in 1539, leaving a tradition rooted in oneness, equality, honest living, sharing, and loving remembrance that nine Gurus would build upon (Grewal 1998). Kavi Santokh Singh's Sri Gur Pratap Suraj Granth carries this devotional account forward through the later Gurus (Santokh Singh, Suraj Granth).

References: Singh, Pashaura, and Louis E. Fenech, eds. The Oxford Handbook of Sikh Studies. Oxford, 2014. Grewal, J. S. The Sikhs of the Punjab. Cambridge, 1998. Santokh Singh, Bhai. Sri Gur Pratap Suraj Granth. Amritsar.

Course test

Pass with 80% or higher to complete the course and unlock the next one.

1. In what year and place was Guru Nanak Dev Ji born?
2. How should the janamsakhi accounts of Guru Nanak's life best be understood?
3. What is the best understanding of Guru Nanak's saying "there is no Hindu, no Muslim"?
4. What name is given to Guru Nanak's series of great journeys?
5. Which three principles summarize Guru Nanak's guidance for daily life?
6. What do the practices of Pangat and Langar embody in the Sikh community?
7. How are Kavi Santokh Singh's Nanak Prakash and Suraj Granth best described?
8. To whom did Guru Nanak pass the Guruship, and on what basis?

References & further reading

  1. Santokh Singh, Bhai. Sri Gur Nanak Prakash. Amritsar: Khalsa Samachar.
  2. Santokh Singh, Bhai. Sri Gur Pratap Suraj Granth. Amritsar: Khalsa Samachar.
  3. Grewal, J. S. The Sikhs of the Punjab. Cambridge: Cambridge University Press, 1998.
  4. Singh, Pashaura, and Louis E. Fenech, eds. The Oxford Handbook of Sikh Studies. Oxford: Oxford University Press, 2014.
  5. Guru Granth Sahib. Japji Sahib, Ang 1.

From the source text

(੧੭੬) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ਹੈ, ਤਿਸ ਬੀਰਜ ਤੇ ਹੀ ਸਰਬ ਕੀ ਉਤਪਤੀ ਹੈ। ਅਰ ਜਲ ਕੇ ਬਰਸਬੇ ਤੇ ਸਰਬ ਉਤਭੁਜ੧ ਕੀ ਉਤਪਤੀ ਹੈ। ਇਸੀ ਹੇਤ ਕਰਿ ਸਰਬ ਜਗਤ ਕੋ ਪਿਤਾ ਜਲ ਹੈ। ‘ਮਾਤਾ ਧਰਤਿ ਮਹਤੁ’=ਸਰਬ ਜਗਤ ਕੀ ਮਾਤਾ ਧਰਤੀ ਹੈ। ਕੈਸੀ ਧਰਤੀ ਹੈ? ‘ਮਹਤੁ’ ਕਹੀਏ ਬਡੀ ਹੈ।
(176) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Yes, from that seed, everything originates. And from the raining of water, all vegetation originates. For this reason, water is the father of the entire world. ‘Mata dharat mahat’ = the earth is the mother of the entire world. What kind of earth is it? It is called ‘mahat’, meaning great. A mother is one who supports and raises a child, nourishes them by producing milk from her own body, and bears the impurities of the child; in the same way, the earth relates to the entire world. First, it supports and holds everything upon itself; second, the earth produces grain and other sustenance within itself to feed everyone—the nourishment of all comes from the earth, and everything that originates from it consumes it.
— from Garab Ganjinee Teeka. Gurmukhi is the author’s original text (OCR); the English is a machine translation. Both are short study excerpts — refer to the original for an authoritative reading. Read the full work on SikhLibrary ↗

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