BSB
Whoever believes in the Son of God has this testimony within him; whoever does not believe God has made Him out to be a liar, because he has not believed in the testimony that God has given about His Son.
AKJV
He that believes on the Son of God has the witness in himself: he that believes not God has made him a liar; because he believes not the record that God gave of his Son.
CPDV
Whoever believes in the Son of God, holds the testimony of God within himself. Whoever does not believe in the Son, makes him a liar, because he does not believe in the testimony which God has testified about his Son.
ERV
He that believeth on the Son of God hath the witness in him: he that believeth not God hath made him a liar; because he hath not believed in the witness that God hath borne concerning his Son.
NHEB
He who believes in the Son of God has the testimony in himself. He who does not believe God has made him a liar, because he has not believed in the testimony that God has given concerning his Son.
SMT
He believing in the Son of God has the testimony in himself: he not believing God has made him a liar; for he has not believed the testimony which God has testified of his Son.