Whoever remains in him doesn't sin. Whoever sins hasn't seen him, neither knows him.

 (ii) For that very reason the fact that a man loves his brother men is the final proof that he has passed from death to life. As A. E. Brooke puts it: "Life is a chance of learning how to love." Life without love is death. To love is to be in the light; to hate is to remain in the dark. We need no further proof of that than to look at the face of a man who is in love and the face of a man who is full of hate; it will show the glory or the blackness in his heart. 