Hebrews 10:26-30

For if we go on sinning willfully after receiving the knowledge of the truth, there no longer remains a sacrifice for sins,

but a terrifying expectation of judgment and the fury of a fire which will consume the adversaries.

Anyone who has ignored the Law of Moses is put to death without mercy on the testimony of two or three witnesses.

How much more severe punishment do you think he will deserve who has trampled underfoot the Son of God, and has regarded as unclean the blood of the covenant by which he was sanctified, and has insulted the Spirit of grace?

For we know Him who said, “Vengeance is Mine, I will repay.” And again, “The Lord will judge His people.”