1 John 2 4
Anyone who says, “I know him,” but doesn't do what he says, is a liar. They don't have the truth.
Compare with other 3 random translations
ASV 1 John 2:4He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;
NKJ 1 John 2:4He who says, “I know Him,” and does not keep His commandments, is a liar, and the truth is not in him.
NIV 1 John 2:4Whoever says, “I know him,” but does not do what he commands is a liar, and the truth is not in that person.