2 Samuel 12:22
22 He said, “While the child was still alive, I fasted and wept, for I said, p‘Who knows whether the Lord will be gracious to me, that the child may live?’
Joel 2:14
14 oWho knows whether he will not turn and relent,
and pleave a blessing behind him,
qa grain offering and a drink offering
for the Lord your God?