1 Yohanes 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 Yohanes 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 Yohanes 5:10

5:10 (The one who believes in the Son of God has the testimony in himself; the one who does not believe God has made him a liar, because he has not believed in the testimony that God has testified concerning his Son.) ³ 

[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”

[5:10]  ³ sn This verse is a parenthesis in John’s argument.