येयं प्रेते विचिकित्सा मनुष्ये- ऽस्तीत्येके नायमस्तीति चैके । एतद्विद्यामनुशिष्टस्त्वयाऽहं वराणामेष वरस्तृतीयः ॥

Nachiketa said: There is this doubt about a man when he is dead: Some say that he exists; others, that he does not. This I should like to know, taught by you. This is the third of my boons.