Neither let us practice fornication, as some of them committed fornication, only to fall, twenty-three thousand of them in one day.

Just before entering the Promised Land thousands of Israelites were allured by Moabite women. Through association with these women their sinful passions were aroused to the point of committing sexual immorality. This is the occasion, referred to by Paul, when thousands were felled in one day for their sin.​—Num. 25:1.