Guru Nanak — Philosopher born on April 15, 1469, died on September 22, 1539

Guru Nanak  pronunciation was the founder Prophet of Sikhism and the first of the ten Sikh Gurus. His birth is celebrated world-wide as Guru Nanak Gurpurab on Kartik Pooranmashi, the full-moon day in the month of Katak, October–November... (wikipedia)

One cannot comprehend Him through reason, even if one reasoned for ages.
Let no man in the world live in delusion. Without a Guru none can cross over to the other shore.
Whatever be the qualities of the man with whom a woman is united according to the law, such qualities even she assumes, like a river, united with the ocean.
Even Kings and emperors with heaps of wealth and vast dominion cannot compare with an ant filled with the love of God.
Owing to ignorance of the rope the rope appears to be a snake; owing to ignorance of the Self the transient state arises of the individualized, limited, phenomenal aspect of the Self.