19 So we see that they could not enter in because of unbelief.
Hebrews 4 Intro: The rest of saints attained by faith -- The power of God's word -- Our high priest, Jesus, the Son of God.
1 Let us therefore fear, lest, a promise being left us by entering into his rest, any of you should seem to come short of it.
2 For unto us was the rest preached, as well as unto them; but the word preached did not profit them, not being mixed with faith in them that heard it.
3 For we who have believed do enter into rest, as he said, As I have sworn in my wrath, If they harden their hearts they shall not enter into my rest; also, I have sworn, If they will not harden their hearts, they shall enter into my rest; although the works of God were prepared, (or finished,) from the foundation of the world.
4 For he spake in a certain place of the seventh day on this wise, And God did rest the seventh day from all his works.
5 And in this place again, If they harden not their hearts they shall enter into my rest.
6 Seeing therefore it remaineth that some must enter therein, and they to whom it was first preached entered not in because of unbelief;
7 Again, he limiteth a certain day, saying in David, Today, after so long a time; as it is said, Today if ye will hear his voice, harden not your hearts.
8 For if Jesus had given them rest, then would he not afterward have spoken of another day.
9 There remaineth therefore a rest to the people of God.