Numbers 14:35
I, the LORD, have spoken, I will surely do it unto all this evil congregation that are gathered together against me; in this wilderness they shall be consumed, and there they shall die.
Numbers 23:19
God is not a man, that he should lie; neither the son of man, that he should repent; he said and shall he not do it? He spoke and shall he not execute it?
Numbers 14:27-29
How long shall I hear this evil congregation, which murmurs against me, the complaints of the sons of Israel, which they murmur against me?
Numbers 26:65
For the LORD had said of them, They shall surely die in the wilderness. And there was not left a man of them, except Caleb, the son of Jephunneh and Joshua, the son of Nun.
1 Corinthians 10:5
But with many of them God was not pleased; therefore, they were overthrown in the wilderness.
1 Corinthians 10:11
Now all these things happened unto them as types, and they are written for our admonition, upon whom the ends of the ages are come.
Hebrews 3:19
So we see that they could not enter in because of their unbelief.