And the Philistine drew near and presented himself forty days, morning and evening.
1 Samuel 17:16
Surrounding context
17:15 But David occasionally went and returned from Saul to feed his father's sheep at Bethlehem.
17:16 And the Philistine drew near and presented himself forty days, morning and evening.
17:17 Then Jesse said to his son David, "Take now for your brothers an ephah of this dried grain and these ten loaves, and run to your brothers at the camp.