Tirukkural 70: The Wealth of Children

(So to act) that it may be said "by what great penance did his father beget him," is the benefit which a son should render to his father

Image of Satguru Sivaya Subramuniyaswami
The greatest thing that a devotee must learn is that all knowing is within oneself. Therefore, go to the great superconscious school within you and bring forth knowledge.
—Gurudeva