Hebrews 4:1; Hebrews 4:6-8

Hebrews 4:1

1 Let us therefore fear, lest, a promise being left to us of entering into His rest, any of you should seem to come short of it.

Hebrews 4:6-8

6 Seeing therefore it remaineth that some must enter therein, and those to whom it was first preached did not enter in because of unbelief,

7 again He designates a certain day, saying in David "today," after so long a time, as it is said, "Today if you will hear His voice, harden not your hearts."

8 For if Joshua had given them rest, then He would not afterwards have spoken of another day.