Mark 10:12

And if a woman divorces her husband and marries another man, she commits adultery."

1 Corinthians 7:11

But if she does leave him, she must remain unmarried or else be reconciled to her husband. Likewise, a husband must not abandon his wife.

1 Corinthians 7:13

And if a woman has a husband who is an unbeliever and he is willing to live with her, she must not abandon him.

Treasury of Scripture Knowledge

Summary

And if a woman shall put away her husband, and be married to another, she committeth adultery.

Bible References

General references

Exodus 20:14
"You are not to commit adultery.
Luke 16:18
Any man who divorces his wife and marries another woman commits adultery, and the man who marries a woman divorced from her husband commits adultery."
1 Corinthians 7:4
A wife does not have authority over her own body, but her husband does. In the same way, a husband doesn't have authority over his own body, but his wife does.

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