Berean Standard Bible (BSB)
By this we know what love is: Jesus laid down His life for us, and we ought to lay down our lives for our brothers.
World English Bible (WEB)
By this we know love, because he laid down his life for us. And we ought to lay down our lives for the brothers.
Strong's King James
Hereby{G1722}{G5129} perceive we{G1097}{(G5758)} the love{G26} of God, because{G3754} he{G1565} laid down{G5087}{(G5656)} his{G846} life{G5590} for{G5228} us{G2257}: and{G2532} we{G2249} ought{G3784}{(G5719)} to lay down{G5087}{(G5721)} our lives{G5590} for{G5228} the brethren{G80}.
The F.O.G *
We truly know love (agape) in this: that He laid down His life (psyche) for us, and so we are obligated to lay down our lives (psyche) for the brothers.
The F.O.G Message *
We can fully understand true love by this: Jesus laid down His earthly life for us, so it is our honorable duty to lay down our lives for fellow believers.
Young's Literal Translation
in this we have known the love, because he for us his life did lay down, and we ought for the brethren the lives to lay down;