Matthew 5:28

but I -- I say to you, that every one who is looking on a woman to desire her, did already commit adultery with her in his heart.

2 Samuel 11:2

and it cometh to pass, at evening-time, that David riseth from off his couch, and walketh up and down on the roof of the king's house, and seeth from the roof a woman bathing, and the woman is of very good appearance,

Job 31:1

A covenant I made for mine eyes, And what -- do I attend to a virgin?

Proverbs 6:25

Desire not her beauty in thy heart, And let her not take thee with her eyelids.

James 1:14-15

and each one is tempted, by his own desires being led away and enticed,

1 John 2:16

because all that is in the world -- the desire of the flesh, and the desire of the eyes, and the ostentation of the life -- is not of the Father, but of the world,

Genesis 34:2

and Shechem, son of Hamor the Hivite, a prince of the land, seeth her, and taketh her, and lieth with her, and humbleth her;

Genesis 39:7-23

And it cometh to pass after these things, that his lord's wife lifteth up her eyes unto Joseph, and saith, 'Lie with me;'

Exodus 20:17

Thou dost not desire the house of thy neighbour, thou dost not desire the wife of thy neighbour, or his man-servant, or his handmaid, or his ox, or his ass, or anything which is thy neighbour's.'

Job 31:9

If my heart hath been enticed by woman, And by the opening of my neighbour I laid wait,

Psalm 119:96

Of all perfection I have seen an end, Broad is Thy command -- exceedingly!

Matthew 5:22

but I -- I say to you, that every one who is angry at his brother without cause, shall be in danger of the judgment, and whoever may say to his brother, Empty fellow! shall be in danger of the sanhedrim, and whoever may say, Rebel! shall be in danger of the gehenna of the fire.

Matthew 5:39

but I -- I say to you, not to resist the evil, but whoever shall slap thee on thy right cheek, turn to him also the other;

Matthew 7:28-29

And it came to pass, when Jesus ended these words, the multitudes were astonished at his teaching,

Romans 7:7-8

What, then, shall we say? the law is sin? let it not be! but the sin I did not know except through law, for also the covetousness I had not known if the law had not said:

Romans 7:14

for we have known that the law is spiritual, and I am fleshly, sold by the sin;

2 Peter 2:14

having eyes full of adultery, and unable to cease from sin, enticing unstable souls, having an heart exercised in covetousnesses, children of a curse,

Treasury of Scripture Knowledge

Summary

But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.

Bible References

That

Genesis 34:2
and Shechem, son of Hamor the Hivite, a prince of the land, seeth her, and taketh her, and lieth with her, and humbleth her;
Genesis 39:7
And it cometh to pass after these things, that his lord's wife lifteth up her eyes unto Joseph, and saith, 'Lie with me;'
Exodus 20:17
Thou dost not desire the house of thy neighbour, thou dost not desire the wife of thy neighbour, or his man-servant, or his handmaid, or his ox, or his ass, or anything which is thy neighbour's.'
2 Samuel 11:2
and it cometh to pass, at evening-time, that David riseth from off his couch, and walketh up and down on the roof of the king's house, and seeth from the roof a woman bathing, and the woman is of very good appearance,
Job 31:1
A covenant I made for mine eyes, And what -- do I attend to a virgin?
Proverbs 6:25
Desire not her beauty in thy heart, And let her not take thee with her eyelids.
James 1:14
and each one is tempted, by his own desires being led away and enticed,
2 Peter 2:14
having eyes full of adultery, and unable to cease from sin, enticing unstable souls, having an heart exercised in covetousnesses, children of a curse,
1 John 2:16
because all that is in the world -- the desire of the flesh, and the desire of the eyes, and the ostentation of the life -- is not of the Father, but of the world,

Hath

Psalm 119:96
Of all perfection I have seen an end, Broad is Thy command -- exceedingly!
Romans 7:7
What, then, shall we say? the law is sin? let it not be! but the sin I did not know except through law, for also the covetousness I had not known if the law had not said:

General references

Exodus 20:14
'Thou dost not commit adultery.
Leviticus 18:20
'And unto the wife of thy fellow thou dost not give thy seed of copulation, for uncleanness with her.
Deuteronomy 5:18
'Thou dost not commit adultery.
Proverbs 23:31
See not wine when it showeth itself red, When it giveth in the cup its colour, It goeth up and down through the upright.