Ecc 7:20, Rom 3:9-12,23
The Old Testaments say that no one can say that he is without sin. (Proverbs 20:9, Ecclesiastes 7:20)
Proverbs 20:9 Who can say, I have made my heart clean, I am pure from my sin?
Ecclesiastes 7:20 For there is not a just man upon earth, that doeth good, and sinneth not.
Everyone is a sinner (Romans 3:9-12,23)
Romans 3:9 What then? are we better than they? No, in no wise: for we have before proved both Jews and Gentiles, that they are all under sin; 10 As it is written, There is none righteous, no, not one: 11 There is none that understandeth, there is none that seeketh after God. 12 They are all gone out of the way, they are together become unprofitable; there is none that doeth good, no, not one. 23 For all have sinned, and come short of the glory of God;