Matthew 5:28
28 But I say to you that jeveryone who looks at a woman with lustful intent has already committed adultery with her in his heart.
Matthew 15:19
19 For out of the heart come bevil thoughts, cmurder, adultery, sexual immorality, theft, false witness, dslander.
Colossians 3:5
5 jPut to death therefore kwhat is earthly in you:1 lsexual immorality, impurity, mpassion, evil desire, and covetousness, nwhich is idolatry.