1 Corinthians 10:8

8 We should not commit sexual immorality, as some of them did—and in one day twenty-three thousand of them died.

Read 1 Corinthians 10:8 Using Other Translations

Neither let us commit fornication, as some of them committed, and fell in one day three and twenty thousand.
We must not indulge in sexual immorality as some of them did, and twenty-three thousand fell in a single day.
And we must not engage in sexual immorality as some of them did, causing 23,000 of them to die in one day.