1 Juan 2
Young's Literal Translation
4he who is saying, 'I have known him,' and his command is not keeping, a liar he is, and in him the truth is not;
Reina-Valera 1909
4El que dice, Yo le he conocido, y no guarda sus mandamientos, el tal es mentiroso, y no hay verdad en él;
King James Version
4He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.
World English Bible
4One who says, “I know him,” and doesn’t keep his commandments, is a liar, and the truth isn’t in him.