Leviticus 19:18

19:18 You must not take vengeance or bear a grudge against the children of your people, but you must love your neighbor as yourself. I am the Lord.

Deuteronomy 6:5

6:5 You must love the Lord your God with your whole mind, your whole being, and all your strength.

Psalms 51:6

51:6 Look, you desire integrity in the inner man;

you want me to possess wisdom.

Matthew 5:22

5:22 But I say to you that anyone who is angry with a brother will be subjected to judgment. And whoever insults a brother will be brought before the council, and whoever says ‘Fool’ will be sent to fiery hell.

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 22:37-40

22:37 Jesus said to him, “‘Love the Lord your God with all your heart, with all your soul, and with all your mind.’ 22:38 This is the first and greatest commandment. 22:39 The second is like it: ‘Love your neighbor as yourself.’ 22:40 All the law and the prophets depend on these two commandments.”

Hebrews 4:12

4:12 For the word of God is living and active and sharper than any double-edged sword, piercing even to the point of dividing soul from spirit, and joints from marrow; it is able to judge the desires and thoughts of the heart.