Verse Comparison: 1 John 2:4
American Standard Version
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;
Amplified® Bible
Whoever says, I know Him [I perceive, recognize, understand, and am acquainted with Him] but fails to keep {and} obey His commandments (teachings) is a liar, and the Truth [of the Gospel] is not in him.
Darby English Version
He that says, I know him, and does not keep his commandments, is a liar, and the truth is not in him;
International Standard Version
The person who says, "I have come to know him," but does not continually keep his commandments is a liar, and the truth is not in that person.
King James Version
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.
Young's Literal Translation
he who is saying, `I have known him,' and his command is not keeping, a liar he is, and in him the truth is not;