Matthew 22:37
Then Jesus said to him, "Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind."
Acts 11:23
Who, when he arrived there, and beheld the grace of God, rejoiced, and exhorted them all, with full purpose of heart to adhere to the Lord.
2 Corinthians 11:2-3
For I am jealous over you with godly jealousy; for I have espoused you to one husband, to present you a chaste virgin to Christ.
2 Timothy 4:8
henceforth there is laid up for me a crown of righteousness, which the Lord, the righteous Judge, shall give me at that day: yet not to me only, but also to all who have loved his appearing.
1 John 5:2-3
Hereby we know that we love the children of God, when we love God, and keep his commandments.