The primary usage of the word Confess in the old testament is to reveal Sin .  The primary usage of the word Confess in the new testament is reveal Christ .
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We are not to be preoccupied with Sin .  We are to be preoccupied with Christ .
<ul>
<li> Psalm 32:5 <br><i>
I acknowledged my sin unto thee, and mine iniquity have I not hid. I said, I will confess my transgressions unto the Lord; and thou forgavest the iniquity of my sin.</i>
<li> Mark 1:5 <br><i>
And there went out unto him all the land of Judæa, and they of Jerusalem, and were all baptized of him in the river of Jordan, confessing their sins.</i>
<li> John 9:22 <br><i>
These words spake his parents, because they feared the Jews: for the Jews had agreed already, that if any man did confess that he was Christ , he should be put out of the synagogue.</i>
<li> Romans 10: <br><i>
9 that if thou shalt confess with thy mouth the Lord Jesus , and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.
10 For with the heart man believeth unto righteousness; and with the mouth confession is made unto Salvation .</i>
<li> Romans 14:11 <br><i>
For it is written, As I live, saith the Lord , every knee shall bow to me, and every tongue shall confess to God .</i>
<li> Romans 15:9 <br><i>
and that the Gentiles might glorify God for his mercy; as it is written, For this cause I will confess to thee among the Gentiles, and sing unto thy name.</i>
<li> Philippians 2:11 <br><i>
and that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father .</i>
<li> James 5:16  <br><i>
Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.</i>
<li> 1 John 1:9 <br><i>
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.</i>
<li> 1 John 4:2 <br><i>
Hereby know ye the Spirit of God : Every spirit that confesseth that Jesus Christ is come in the flesh is of God :</i>
<li> 1 John 4:15 <br><i>
Whosoever shall confess that Jesus is the Son of God , God dwelleth in him, and he in God.</i>
<li> 2 John 1:7 <br><i>
For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.</i>
<li> Revelation 3:5 <br><i>
He that overcometh, the same shall be clothed in white raiment; and I will not blot out his name out of the book of life, but I will confess his name before my Father, and before his angels.
<li> Revelation 12:11 <br><i>
And they overcame him by the blood of the Lamb , and by the word of their testimony; and they loved not their lives unto the death.</i>
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