My command is this: Love each other as I have loved you. - John 15:12

"Greatest Commandments: * Love God with all your heart, soul, mind, and strength.  * Love your neighbor as yourself."

For the entire law is fulfilled in keeping this one command: “Love your neighbor as yourself.” - Galatians 5:14

"And this is love: that we walk in obedience to his commands." - 2 John 1:6