1 John 5:2

Revised Standard Version

By this 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, to love one another.

And by this we may be sure that we know him, if we keep his commandments.

but whoever keeps his word, in him truly love for God is perfected. By this we may be sure that we are in him:

We know that we have passed out of death into life, because we love the brethren. He who does not love abides in death.

And this commandment we have from him, that he who loves God should love his brother also.