I John 3:10, 16, 20, 22-24

In this the children of God and the children of the devil are manifest: Whoever does not practice righteousness is not of God, nor is he who does not love his brother.

By this we know love, because He laid down His life for us. And we also ought to lay down our lives for the brethren.

For if our heart condemns us, God is greater than our heart, and knows all things.

And whatever we ask we receive from Him, because we keep His commandments and do those things that are pleasing in His sight. And this is His commandment: that we should believe on the name of His Son Jesus Christ and love one another, as He gave us commandment. Now he who keeps His commandments abides in Him, and He in him. And by this we know that He abides in us, by the Spirit whom He has given us.