Numbers 14:35
I, the Lord, have said, "I will surely do so to all this evil congregation that has gathered together against me. In this wilderness they will be finished, and there they will die!"'"
Numbers 23:19
God is not a man, that he should lie, nor a human being, that he should change his mind. Has he said, and will he not do it? Or has he spoken, and will he not make it happen?
Numbers 14:27-29
"How long must I bear with this evil congregation that murmurs against me? I have heard the complaints of the Israelites that they murmured against me.
Numbers 26:65
For the Lord had said of them, "They will surely die in the wilderness." And there was not left a single man of them, except Caleb son of Jephunneh and Joshua son of Nun.
1 Corinthians 10:5
But God was not pleased with most of them, for they were cut down in the wilderness.
1 Corinthians 10:11
These things happened to them as examples and were written for our instruction, on whom the ends of the ages have come.
Hebrews 3:19
So we see that they could not enter because of unbelief.