Hebrews 4:5-8

and again in this place: “They shall not enter My rest.” Since therefore it remains that some must enter it, and those to whom it was first preached did not enter because of disobedience, again He designates a certain day, saying in David, “Today,” after such a long time, as it has been said: “Today, if you will hear His voice, Do not harden your hearts.” For if Joshua had given them rest, then He would not afterward have spoken of another day.