1 John 5:2

This is how we know that we love the children of God: by loving God and carrying out his commands.

(v2, NIV)

Everyone who loves the father loves the child as well. If this is another test, how do we confirm we meet the conditions? So, how do we know that we love the children of God? We know by loving God. That seems a bit odd. We can know that everyone who loves the father loves his child as well, but we prove that we love the children of God by loving God himself. Well, the initial child which is singular is referring to Jesus. Not only do we believe in his son, but we also love the son. The proof is not only in our loving God, but it is also proved by carrying out his commands. Do you really love the children of God? Do you really love God? Well, then listen to what he says and do what he says. Obedience is part of what shows us to love our brothers.