Matthew 22:37
Jesus said to him, "'You shall love the Lord your God with all your heart, and with all your soul, and with all your mind.'
Acts 11:23
When he arrived and saw the grace of God, he was glad and encouraged them all to remain true to the Lord with all their hearts;
2 Corinthians 11:2-3
I am jealous for you with a godly jealousy; for I betrothed you to one husband, so that to Christ I might present you as a pure virgin.
2 Timothy 4:8
In the future there is laid up for me the crown of righteousness, which the Lord, the righteous Judge, will award to me on that day; and not only to me, but also to all who have loved his appearing.
1 John 5:2-3
By this we know that we love the children of God, when we love God and obey his commandments.