1 Corinthians 10:5

for they were overthrown in the wilderness.

1 Corinthians 10:11

Now all these things happened to them for examples, and they are written for our admonition, on whom the ends of the ages are come.

Hebrews 3:19

So we see, they could not 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
for they were overthrown in the wilderness.
Hebrews 3:19
So we see, they could not enter in, because of unbelief.