1 Corinthians 10:5

But with many of them God is not well pleased: for they were overthrown in the wilderness.

1 Corinthians 10:11

But these things happened unto them as examples; and were written for our admonition, on whom the ends of the ages have descended.

Hebrews 3:19

And we see that they were not able to enter in on account of their 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 with many of them God is not well pleased: for they were overthrown in the wilderness.
Hebrews 3:19
And we see that they were not able to enter in on account of their unbelief.