Matthew 5:27 – 28
New International Version (NIV)
Adultery
27 “You have heard that it was said, ‘You shall not commit adultery.’ 28 But I tell you that anyone who looks at a woman lustfully has already committed adultery with her in his heart.
From BibleGateway.com: http://www.biblegateway.com/passage/?search=Matthew 5:27-28&version=NIV
NIV®