6 Bible Verses about Vowing To Fast

All the people came to cause David to eat bread while it was yet day; but David swore, saying, "God do so to me, and more also, if I taste bread, or anything else, until the sun goes down."

The men of Israel were distressed that day; for Saul had adjured the people, saying, "Cursed is the man who eats any food until it is evening, and I am avenged of my enemies." So none of the people tasted food.

Then one of the people answered, and said, "Your father directly commanded the people with an oath, saying, 'Cursed is the man who eats food this day.'" The people were faint.

When it was day, some of the Jews banded together, and bound themselves under a curse, saying that they would neither eat nor drink until they had killed Paul.

They came to the chief priests and the elders, and said, "We have bound ourselves under a great curse, to taste nothing until we have killed Paul.

Therefore don't yield to them, for more than forty men lie in wait for him, who have bound themselves under a curse neither to eat nor to drink until they have killed him. Now they are ready, looking for the promise from you."