6 Bible Verses about Vowing To Fast

Then all the people came and encouraged David to eat food while it was still day. But David took an oath saying, "God will punish me severely if I taste bread or anything whatsoever before the sun sets!"

Now the men of Israel were hard pressed that day, for Saul had made the army agree to this oath: "Cursed be the man who eats food before evening! I will get my vengeance on my enemies!" So no one in the army ate anything.

Then someone from the army informed him, "Your father put the army under a strict oath saying, 'Cursed be the man who eats food today!' That is why the army is tired."

When morning came, the Jews formed a conspiracy and bound themselves with an oath not to eat or drink anything until they had killed Paul.

They went to the chief priests and the elders and said, "We have bound ourselves with a solemn oath not to partake of anything until we have killed Paul.

So do not let them persuade you to do this, because more than forty of them are lying in ambush for him. They have bound themselves with an oath not to eat or drink anything until they have killed him, and now they are ready, waiting for you to agree to their request."