The Philistine came out every morning and evening and stood before the Israelite army. Goliath insulted Israel like this for 40 days.
There the devil tempted Jesus for 40 days. Jesus ate nothing during this time, and when it was finished, he was very hungry.
Jesus ate nothing for 40 days and nights. After this, he was very hungry.
but David left Saul from time to time to take care of his father’s sheep at Bethlehem.
One day Jesse said to his son David, “Take this basket of cooked grain and these ten loaves of bread to your brothers in the camp.