“In this thing?” What thing is this? Is the author using this phrase for emphasis, akin to “thing is…” or “see here…” or “verily, verily…” as used by Jesus Himself? Is this why the New International Version completely eliminates this carrier phrase? Or does the author mean “in Christ” when he states “in this thing”?
8 He that loveth not, knoweth not God; for God is charity.
9 In this thing the charity of God appeared in us, for God sent his one begotten Son into the world, that we live by him.
10 In this thing is charity, not as we had loved God, but for he first loved us, and sent his Son forgiveness for our sins [and sent his Son helping for our sins].
If we do not love others, we don’t know God for God is charity. God is love. In Christ, the charity of God appears in us because God sent His one and only Son, Jesus, into the world. In Christ is love. God first loves us in Christ. He sent His Son so as to forgive us our sins. And, we live by Him.