Then they despised the pleasant land; they did not believe His Word,

And the head of Ephraim is Samaria, and the head of Samaria is Remaliah's son. If you will not believe, surely you shall not be established.

Beware, brethren, that there not be in any of you an evil heart of unbelief in withdrawing from the living God;

And to whom did He swear that they would not enter His rest, but to those who did not obey?

So we see that they could not enter in because of unbelief.

But without faith it is impossible to please Him, for he who comes to God must believe that He is, and that He is a rewarder of those who diligently seek Him.

He who believes in the Son of God has the testimony in himself; he who does not believe God has made Him a liar, because he has not believed the testimony that God has given concerning His Son.

But I want to remind you, though you once knew this, that the Lord, having saved the people out of the land of Egypt, afterward destroyed those who did not believe.