1 Corinthians 10:5

But in the most of them God took no pleasure; for they were overthrown in the wilderness.

1 Corinthians 10:11

Now these things were happening to them by way of example; and they were written for our admonition, unto whom the ends of the ages have come.

Hebrews 3:19

And we see that they were not able to enter in because of unbelief.

Treasury of Scripture Knowledge

Summary

I the LORD have said, 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.

Bible References

This evil

1 Corinthians 10:5
But in the most of them God took no pleasure; for they were overthrown in the wilderness.
Hebrews 3:19
And we see that they were not able to enter in because of unbelief.