Because
Jeremiah 2:23
How canst thou say, I am not polluted, I have not gone after Baalim? see thy way in the valley, know what thou hast done: thou art a swift dromedary traversing her ways;
Jeremiah 2:29
Wherefore will ye plead with me? ye all have transgressed against me, saith the LORD.
Job 33:9
I am clean without transgression, I am innocent; neither is there iniquity in me.
Proverbs 28:13
He that covereth his sins shall not prosper: but whoso confesseth and forsaketh them shall have mercy.
Isaiah 58:3
Wherefore have we fasted, say they, and thou seest not? wherefore have we afflicted our soul, and thou takest no knowledge? Behold, in the day of your fast ye find pleasure, and exact all your labours.
Romans 7:9
For I was alive without the law once: but when the commandment came, sin revived, and I died.
I will
Jeremiah 2:9
Wherefore I will yet plead with you, saith the LORD, and with your children's children will I plead.
1 John 1:8-10
8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
9
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
10
If we say that we have not sinned, we make him a liar, and his word is not in us.