1 Korintus 7:13

7:13 And if a woman has a husband who is not a believer and he is happy to live with her, she should not divorce him.

1 Korintus 10:8

10:8 And let us not be immoral, as some of them were, and twenty-three thousand died in a single day. ¹ 

[10:8]  ¹ sn This incident is recorded in Num 25:1-9.