1 John 5:2

New American Bible - revised edition

In this way we know that we love the children of God when we love God and obey his commandments.

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This I command you: love one another. The World’s Hatred.

The way we may be sure that we know him is to keep his commandments.

But whoever keeps his word, the love of God is truly perfected in him. This is the way we may know that we are in union with him:

We know that we have passed from death to life because we love our brothers. Whoever does not love remains in death.

This is the commandment we have from him: whoever loves God must also love his brother.