Job 9:20
"If I justify myself, mine own mouth shall condemn me: if I say, I am perfect, it shall also prove me perverse."
Cross References (ranked by relevance)
If thou, LORD, shouldest mark iniquities, O Lord, who shall stand?
And enter not into judgment with thy servant: for in thy sight shall no man living be justified.
I know it is so of a truth: but how should man be just with God?
Job hath spoken without knowledge, and his words were without wisdom.
Shall mortal man be more just than God? shall a man be more pure than his maker?
Perverse disputings of men of corrupt minds, and destitute of the truth, supposing that gain is godliness: from such withdraw thyself.
There was a man in the land of Uz, whose name was Job; and that man was perfect and upright, and one that feared God, and eschewed evil.
But he, willing to justify himself, said unto Jesus, And who is my neighbour?
Then said I, Woe is me! for I am undone; because I am a man of unclean lips, and I dwell in the midst of a people of unclean lips: for mine eyes have seen the King, the LORD of hosts.
In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.
He that hath a froward heart findeth no good: and he that hath a perverse tongue falleth into mischief.
Therefore doth Job open his mouth in vain; he multiplieth words without knowledge.
And he said unto them, Ye are they which justify yourselves before men; but God knoweth your hearts: for that which is highly esteemed among men is abomination in the sight of God.
For in many things we offend all. If any man offend not in word, the same is a perfect man, and able also to bridle the whole body.