Matthew 5:28 in the King James Version
But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
Context
27 “You have heard that it was said, ‘You shall not commit adultery;’
28 but I tell you that everyone who gazes at a woman to lust after her has committed adultery with her already in his heart.
29 If your right eye causes you to stumble, pluck it out and throw it away from you. For it is more profitable for you that one of your members should perish than for your whole body to be cast into Gehenna.