Isaiah 54:9

54:9 “As far as I am concerned, this is like in Noah’s time,

when I vowed that the waters of Noah’s flood would never again cover the earth.

In the same way I have vowed that I will not be angry at you or shout at you.

Genesis 22:16

22:16 and said, “‘I solemnly swear by my own name,’ decrees the Lord, ‘that because you have done this and have not withheld your son, your only son,

Hebrews 6:13-18

6:13 Now when God made his promise to Abraham, since he could swear by no one greater, he swore by himself, 6:14 saying, “Surely I will bless you greatly and multiply your descendants abundantly.” 6:15 And so by persevering, Abraham inherited the promise. 6:16 For people swear by something greater than themselves, and the oath serves as a confirmation to end all dispute. 6:17 In the same way God wanted to demonstrate more clearly to the heirs of the promise that his purpose was unchangeable, and so he intervened with an oath, 6:18 so that we who have found refuge in him may find strong encouragement to hold fast to the hope set before us through two unchangeable things, since it is impossible for God to lie.