Hebrews 6:17; Hebrews 7:15

Hebrews 6:17

17 Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed it by an oath:

Hebrews 7:15

15 And it is yet far more evident: for that after the similitude of Melchisedec there ariseth another priest,