Vowing To Fast
Most Relevant Verses
Now the men of Israel were hard-pressed on that day, for Saul had put the people under oath, saying, "Cursed be the man who eats food before evening, and until I have avenged myself on my enemies." So none of the people tasted food.
When it was day, the Jews formed a conspiracy and bound themselves under an oath, saying that they would neither eat nor drink until they had killed Paul.
"So do not listen to them, for more than forty of them are lying in wait for him who have bound themselves under a curse not to eat or drink until they slay him; and now they are ready and waiting for the promise from you."