Hebrews 2:2; Hebrews 9:15

Hebrews 2:2

2 For if the word spoken by angels was stedfast, and every transgression and disobedience received a just recompence of reward;

Hebrews 9:15

15 And for this cause he is the mediator of the new testament, that by means of death, for the redemption of the transgressions that were under the first testament, they which are called might receive the promise of eternal inheritance.