Matthew 5:28

5:28 But I say to you that whoever looks at a woman to desire her has already committed adultery with her in his heart.

Matthew 11:29

11:29 Take my yoke on you and learn from me, because I am gentle and humble in heart, and you will find rest for your souls.

Matthew 12:34

12:34 Offspring of vipers! How are you able to say anything good, since you are evil? For the mouth speaks from what fills the heart.

Matthew 18:35

18:35 So also my heavenly Father will do to you, if each of you does not forgive your brother from your heart.”

Matthew 22:37

22:37 Jesus said to him, “‘Love the Lord your God with all your heart, with all your soul, and with all your mind.’