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