Hebrews 4:1; Hebrews 4:6-8
Therefore, while the promise of entering his rest is still open, let us take care that none of you should seem to have failed to reach it.
Since therefore it remains open for some to enter it, and those who formerly received the good news failed to enter because of disobedience,
again he sets a certain day—"today"—saying through David much later, in the words already quoted, "Today, if you hear his voice, do not harden your hearts."
For if Joshua had given them rest, God would not speak later about another day.