1 Corinthians 10:8

Nor must we commit immorality, as some of them did ??and in a single day twenty-three thousand of them fell.

Hebrews 2:2-3

For if the divine word spoken by angels held good, if transgression and disobedience met with due punishment in every case,

Treasury of Scripture Knowledge

Summary

And the children of Levi did according to the word of Moses: and there fell of the people that day about three thousand men.

Bible References

There fell

1 Corinthians 10:8
Nor must we commit immorality, as some of them did ??and in a single day twenty-three thousand of them fell.
Hebrews 2:2
For if the divine word spoken by angels held good, if transgression and disobedience met with due punishment in every case,