Heb.4.6

Hebrews 4:6

KJV

Seeing therefore it remaineth that some must enter therein, and they to whom it was first preached entered not in because of unbelief:

Hebrews 3:18

KJV

And to whom sware he that they should not enter into his rest, but to them that believed not?

Hebrews 4:11

KJV

Let us labour therefore to enter into that rest, lest any man fall after the same example of unbelief.