'Oath' in the Bible

I solemnly make this oath -- what I say is true and reliable: 'Surely every knee will bow to me, every tongue will solemnly affirm;

The Lord swears an oath by his right hand, by his strong arm: "I will never again give your grain to your enemies as food, and foreigners will not drink your wine, which you worked hard to produce.

Whoever pronounces a blessing in the earth will do so in the name of the faithful God; whoever makes an oath in the earth will do so in the name of the faithful God. For past problems will be forgotten; I will no longer think about them.