1 Corinthians 10:8

⁶ These things took place as examples to keep us from craving evil things as they did.

⁷ Do not be idolaters, as some of them were. As it is written: “The people sat down to eat and to drink, and got up to indulge in revelry.”

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

⁹ We should not test Christ, as some of them did, and were killed by snakes.

¹⁰ And do not complain, as some of them did, and were killed by the destroying angel.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: We should not commit sexual immorality, as some of them did, and in one day twenty-three thousand of them died.
KJV: Neither let us commit fornication, as some of them committed, and fell in one day three and twenty thousand.
WEB: Let’s not commit sexual immorality, as some of them committed, and in one day twenty-three thousand fell.
ASV: Neither let us commit fornication, as some of them committed, and fell in one day three and twenty thousand.
DARBY: Neither let us commit fornication, as some of them committed fornication, and fell in one day three and twenty thousand.
BLB: And we should not commit sexual immorality, as some of them committed sexual immorality, and twenty-three thousand fell in one day.

ÅB: La oss heller ikke drive hor, slik som noen av dem drev hor og falt på én dag tre og tyve tusen!
OTB: Vi skal heller ikke drive umoral, slik noen av dem gjorde, og tjuetre tusen falt på én dag.
B1930: La oss heller ikke drive hor, likesom nogen av dem drev hor og falt på én dag tre og tyve tusen!

Numbers 25:1–9
While Israel was staying in Shittim, the men began to indulge in sexual immorality with the daughters of Moab,
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1 Corinthians 6:18
Flee from sexual immorality. Every other sin a man can commit is outside his body, but he who sins sexually sins against his own body.
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Psalms 106:29
So they provoked the LORD to anger with their deeds, and a plague broke out among them.
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1 Corinthians 6:9
Do you not know that the wicked will not inherit the kingdom of God? Do not be deceived: Neither the sexually immoral, nor idolaters, nor adulterers, nor men who submit to or perform homosexual acts,
Read in context
Revelation 2:14
But I have a few things against you, because some of you hold to the teaching of Balaam, who taught Balak to place a stumbling block before the Israelites so they would eat food sacrificed to idols and commit sexual immorality.
Read in context