Proverbs
A wicked doer giveth heed to false lips; and a liar giveth ear to a naughty tongue. 17:4
The desire of a man is his kindness: and a poor man is better than a liar. 19:22
Add thou not unto his words, lest he reprove thee, and thou be found a liar. 30:6
John
Ye are of your father the devil, and the lusts of your father ye will do. He was a murderer from the beginning, and abode not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh of his own: for he is a liar, and the father of it. 8:44
Yet ye have not known him; but I know him: and if I should say, I know him not, I shall be a liar like unto you: but I know him, and keep his saying. 8:55
Romans
God forbid: yea, let God be true, but every man a liar; as it is written, That thou mightest be justified in thy sayings, and mightest overcome when thou art judged. 3:4
1 John
If we say that we have not sinned, we make him a liar, and his word is not in us. 1:10
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him. 2:4
Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son. 2:22
If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen? 4:20
He that believeth on the Son of God hath the witness in himself: he that believeth not God hath made him a liar; because he believeth not the record that God gave of his Son. 5:10