If a man makes a vow to Yahweh or swears an oath to bind himself with a binding obligation, he shall not violate his word; he shall do according to all that proceeds out of his mouth.
Or if a person swears thoughtlessly with his lips to do evil or to do good, in whatever matter a man may speak thoughtlessly with a sworn oath, and it is hidden from him, and then he comes to know it, he will be guilty in one of these.
¶Behold, on the mountains the feet of him who proclaims good news, Who announces peace! Celebrate your feasts, O Judah; Pay your vows. For never again will the vile one pass through you; He is cut off completely.
Now when it was day, the Jews formed a conspiracy and bound themselves under a curse, saying that they would neither eat nor drink until they had killed Paul.
So do not be persuaded by them, for more than forty of them—who have bound themselves under a curse not to eat or drink until they slay him—are lying in wait for him and now they are ready and waiting for the promise from you.”
Then Jephthah went with the elders of Gilead, and the people made him head and chief over them; and Jephthah spoke all his words before Yahweh at Mizpah.
And it happened at the end of two months that she returned to her father, and he did to her according to the vow which he had made; and she did not know a man. Thus it became a custom in Israel,