1 Corinthians 10:5

Yet with most of them God was displeased; for they were 'struck down in the desert.'

1 Corinthians 10:11

These things happened to them by way of warning, and were recorded to serve as a caution to us, in whose days the close of the ages has come.

Hebrews 3:19

We see, then, that they failed to enter upon it because of their want of faith.

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
Yet with most of them God was displeased; for they were 'struck down in the desert.'
Hebrews 3:19
We see, then, that they failed to enter upon it because of their want of faith.