Bhagwad Gita
Chapter 8, Verse 23
यत्र काले त्वनावृत्तिमावृत्तिं चैव योगिनः।
प्रयाता यान्ति तं कालं वक्ष्यामि भरतर्षभ।।8.23।।
O best of the Bharatas, I shall now explain to you the different times at which, passing away from this world, one does or does not come back.