The Mighty God is not a man, that He should lie, nor a son of man, that He should be sorry. Has He said, and shall He not do it? Or has He spoken, and shall He not make it good?

How long shall I bear with this evil congregation who complain against Me? I have heard the murmurings which the children of Israel grumble against Me.

The carcasses of you who have grumbled against Me shall fall in this wilderness, all of you who were numbered, according to your entire number, from twenty years old and above.

For Jehovah had said of them, They shall die the death in the wilderness. Thus there was not left a man of them, except Caleb the son of Jephunneh and Joshua the son of Nun.

But with most of them God was not well pleased, for they were scattered in the wilderness.

Now all these things happened to them as examples, and they were written for our admonition, upon whom the ends of the ages have come.

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