King James Version
Hereby perceive we the love of God, because he laid down his life for us: and we ought to lay down our lives for the brethren.English Standard Version
By this we know love, that he laid down his life for us, and we ought to lay down our lives for the brothers.Catholic Public Domain Version
We know the love of God in this way: because he laid down his life for us. And so, we must lay down our lives for our brothers