1 John 2:4

2:4 The one who says “I have come to know God” ¹  and yet does not keep his commandments is a liar, and the truth is not in such a person.

1 John 2:22

2:22 Who is the liar but the person who denies that Jesus is the Christ ² ? This one is the antichrist: the person who denies the Father and the Son.

1 John 4:20

4:20 If anyone says ³  “I love God” and yet ⁴  hates his fellow Christian, ⁵  he is a liar, because the one who does not love his fellow Christian ⁶  whom he has seen cannot love God whom he has not seen. ⁷ 

[2:4]  ¹ tn Grk “know him.” See the note on the phrase “know God” in 1 John 2:3 for explanation.

[2:22]  ² tn Or “the Messiah”

[4:20]  ³ tn Grk “if anyone should say…”

[4:20]  ⁴ tn “Yet” is supplied to bring out the contrast.

[4:20]  ⁵ tn See note on the phrase “fellow Christian” in 2:9.

[4:20]  ⁶ tn See note on the phrase “fellow Christian” in 2:9.

[4:20]  ⁷ 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.