1 Samuel 17:15-17

New Revised Standard Version, Anglicised

¹⁵ but David went back and forth from Saul to feed his father’s sheep at Bethlehem. ¹⁶ For forty days the Philistine came forward and took his stand, morning and evening.

¹⁷ Jesse said to his son David, ‘Take for your brothers an ephah of this parched grain and these ten loaves, and carry them quickly to the camp to your brothers;