1 Samuel 20:15 in the World English Bible
but you shall also not cut off your kindness from my house forever, no, not when the LORD has cut off every one of the enemies of David from the surface of the earth.”
Context
14 And thou shalt not only while yet I live shew me the kindness of the LORD, that I die not:
15 But also thou shalt not cut off thy kindness from my house for ever: no, not when the LORD hath cut off the enemies of David every one from the face of the earth.
16 So Jonathan made a covenant with the house of David, saying, Let the LORD even require it at the hand of David’s enemies.