जन्मं मृत्युः genesis et mortis

"जातस्य हि ध्रुवो मृत्युर्ध्रुवो जन्म मृतस्य च

Death is certain to the  born

as

Birth is certain to the dead"

- Bagavadgita 2.27

Here Life feeds on Death as Death waits on Life.