Matthew 5:32; Matthew 15:19; Matthew 19:9

Matthew 5:32

32 but I say to you that everyone who divorces his wife, except for the reason of unchastity, makes her commit adultery; and whoever marries a divorced woman commits adultery.

Matthew 15:19

19 "For out of the heart come evil thoughts, murders, adulteries, fornications, thefts, false witness, slanders.

Matthew 19:9

9 "And I say to you, whoever divorces his wife, except for immorality, and marries another woman commits adultery ."