Hebrews 4:1; Hebrews 4:6-8
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.
Seeing therefore it remaineth that some must enter therein, and those to whom it was first preached did not enter in because of unbelief,
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."
For if Joshua had given them rest, then He would not afterwards have spoken of another day.