1 Corinthians 10:5

But in most of them God was not well pleased, for they were laid low in the desert.

1 Corinthians 10:11

Now these things were happening to them typically, but were written down for our admonition who stand at the meeting of the ages.

Hebrews 3:19

So you see that it was through unbelief that they were not able to enter in.

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 most of them God was not well pleased, for they were laid low in the desert.
Hebrews 3:19
So you see that it was through unbelief that they were not able to enter in.