Cross reference
1 Samuel 17:16
16 And the Philistine draweth nigh, morning and evening, and stationeth himself forty days.
Matthew 4:2
2 and having fasted forty days and forty nights, afterwards he did hunger.
Luke 4:2
2 forty days being tempted by the Devil, and he did not eat anything in those days, and they having been ended, he afterward hungered,