¹² Beware, brethren, lest there be in any of you an evil heart of unbelief in departing from the living God; ¹³ but ^[a]exhort one another daily, while it is called “Today,” lest any of you be hardened through the deceitfulness of sin.

¹⁸ And ^(A)to whom did He swear that they would not enter His rest, but to those who did not obey? ¹⁹ So we see that they could not enter in because of ^(B)unbelief.