Genesis 18:28
Perhaps the fifty righteous are lacking five--will you destroy the whole city on account of the five?" And he answered, "I will not destroy [it] if I find forty-five there."
Genesis 18:26
And Yahweh said, "If I find fifty righteous in Sodom, in the midst of the city, then I will forgive the whole place for their sake."
Genesis 18:29
And {once again he spoke} to him and said, "What if forty are found there?" And he answered, "I will not do [it] on account of the forty."
Numbers 14:17-19
But now, please, let the power of my Lord be great, just has you spoke,
1 Kings 20:32-33
So they tied sackcloth around their waists and ropes on their heads. Then they went to the king of Israel and said, "Your servant Ben-Hadad says, 'Please let me live.'" And he said, "[Is] my brother still alive?"
Job 23:3-4
{O that} I knew and [that] I might find him; [O that] I might come to his dwelling.