Deuteronomy 9:18
And I fell down before Jehovah, as at the first, forty days and forty nights, I ate no bread and drank no water, because of all your sin which ye had sinned, in doing what is evil in the eyes of Jehovah, to provoke him to anger.
Exodus 34:28
And he was there with Jehovah forty days and forty nights; he ate no bread, and drank no water. And he wrote on the tables the words of the covenant, the ten words.
Deuteronomy 9:9
when I went up the mountain to receive the tables of stone, the tables of the covenant which Jehovah made with you, and I abode in the mountain forty days and forty nights, I ate no bread and drank no water, --
Psalm 106:23
And he said that he would destroy them, had not Moses, his chosen, stood before him in the breach, to turn away his fury, lest he should destroy them.
Exodus 32:10-14
And now let me alone, that my anger may burn against them, and I may consume them; and I will make of thee a great nation.
Deuteronomy 10:10
But I stood upon the mountain according to the former days, forty days and forty nights; and Jehovah listened unto me also at that time: Jehovah would not destroy thee.
2 Samuel 12:16
And David besought God for the child; and David fasted, and went in, and lay all night on the earth.