For forty days the Philistine came forward and took his stand, morning and evening.
for forty days, being tempted by the devil. And he ate nothing during those days. And when they were ended, he was hungry.
And after fasting forty days and forty nights, he was hungry.
but David went back and forth from Saul to feed his father's sheep at Bethlehem.
And Jesse said to David his son, "Take for your brothers an ephah[4] of this parched grain, and these ten loaves, and carry them quickly to the camp to your brothers.