3 Bible Verses about Vowing To Fast

when it was day, some Jews, that had form'd a conspiracy, engag'd themselves by an oath, not to eat, or drink, till they had kill'd Paul.

went to the chief priests and senators, and said, "we have bound our selves by oath not to eat till we have slain Paul.

but don't believe them: for above forty of them lie in ambush, having bound themselves by oath not to eat or drink till they have kill'd him: they are already prepar'd, and only wait your answer.