Behold, thou desirest truth in the inward parts: and in the hidden part thou shalt make me to know wisdom.
Matthew 5:28But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
Matthew 22:37Jesus said unto him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.