: Before beginning his public ministry, Jesus fasted in the wilderness for 40 days and nights, resisting various temptations.
: In the story of Noah , rain fell for exactly 40 days and 40 nights to cleanse the earth. 40 Days and 40 Nights
Outside of scripture, the phrase has permeated literature and film as a symbol of endurance: : Before beginning his public ministry, Jesus fasted
: Moses spent this amount of time on Mount Sinai twice while receiving the Ten Commandments . : Before beginning his public ministry