Matthew 22:37
And He 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
who, having come, and having seen the grace of God, rejoiced, and was exhorting all that, with purpose of heart, they should cleave to the Lord;
2 Corinthians 11:2-3
For I am jealous over you with a godly jealousy; for I espoused you to one husband, that I may present you as a pure virgin to Christ;
2 Timothy 4:8
henceforth there is laid up for me the crown of righteousness, which the Lord, the Righteous Judge, will recompense to me in that day, and not only to me, but also to all those who have loved His appearing.
1 John 5:2-3
In this we know that we love the children of God, when we love God, and do His commandments.