Beloved, now we are children of God, and it is not yet revealed what we will be. But we know that, when he is revealed, we will be like him; for we will see him just as he is.

 John goes on to ask why Cain murdered his brother; and his answer is that it was because his works were evil and his brother's were good. Then he drops the remark: "Do not be surprised, brothers, if the world hates you." 