Jesus said unto him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind.
Matthew 22:37 (KJV)
And to love him with all the heart, and with all the understanding, and with all the soul, and with all the strength, and to love his neighbour as himself, is more than all whole burnt offerings and sacrifices.
Mark 12:33 (KJV)
We love him, because he first loved us.
1 John 4:19 (KJV)