7 Bible Verses about Fasting For Long Periods

Moses was there with the Lord forty days and forty nights; he ate no bread and drank no water. And he wrote on the tablets the words of the covenant, the Ten Commandments.

When I went up the mountain to receive the tablets of stone, the tablets of the covenant which the Lord made with you, I remained on the mountain forty days and forty nights; I did not eat food or drink water.

Then, as before, I fell down before the Lord for [another] forty days and forty nights; I did not eat food or drink water, because of all the sin you had committed by doing what was evil in the sight of the Lord to provoke Him to anger.

So he got up and ate and drank, and with the strength of that food he traveled forty days and nights to Horeb (Sinai), the mountain of God.

After He had gone without food for forty days and forty nights, He became hungry.

for forty days, being tempted by the devil. And He ate nothing during those days, and when they ended, He was hungry.

My knees are unsteady from fasting;
And my flesh is gaunt and without fatness.