'Liar' in the Bible

You are of your father the Devil, and you want to carry out your father’s desires. He was a murderer from the beginning and has not stood in the truth, because there is no truth in him. When he tells a lie, he speaks from his own nature, because he is a liar and the father of liars.

You’ve never known Him, but I know Him. If I were to say I don’t know Him, I would be a liar like you. But I do know Him, and I keep His word.

Absolutely not! God must be true, even if everyone is a liar, as it is written:That You may be justified in Your wordsand triumph when You judge.

If we say, “We don’t have any sin,” we make Him a liar, and His word is not in us.

The one who says, “I have come to know Him,” yet doesn"t keep His commands, is a liar, and the truth is not in him.

Who is the liar, if not the one who denies that Jesus is the Messiah? This one is the antichrist: the one who denies the Father and the Son.

If anyone says, “I love God,” yet hates his brother, he is a liar. For the person who does not love his brother he has seen cannot love the God he has not seen.

(The one who believes in the Son of God has this testimony within him. The one who does not believe God has made Him a liar, because he has not believed in the testimony God has given about His Son.)