[4:20] 1 tn Grk “if anyone should say…”
[4:20] 2 tn “Yet” is supplied to bring out the contrast.
[4:20] 3 tn See note on the phrase “fellow Christian” in 2:9.
[4:20] 4 tn See note on the phrase “fellow Christian” in 2:9.
[4:20] 5 sn In 4:20 the author again describes the opponents, who claim to love God. Their failure to show love for their fellow Christians proves their claim to know God to be false: The one who does not love his fellow Christian whom he has seen cannot love God whom he has not seen.