Contradiction with Ezekiel 18:20
Psalms 40:12 discusses the multitude of personal sins causing distress, whereas Ezekiel 18:20 states that individuals are responsible for their own sins, suggesting no inherited or transferred guilt.
Ezekiel 18:20: The soul that sinneth, it shall die. The son shall not bear the iniquity of the father, neither shall the father bear the iniquity of the son: the righteousness of the righteous shall be upon him, and the wickedness of the wicked shall be upon him.
Contradiction with Romans 8:1
Psalms 40:12 presents an overwhelming sense of guilt and iniquity, while Romans 8:1 declares that there is no condemnation for those who are in Christ Jesus.
Romans 8:1: [There is] therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh, but after the Spirit.
Contradiction with Isaiah 1:18
Psalms 40:12 focuses on being encompassed by sins, whereas Isaiah 1:18 offers the promise that sins, though abundant and tangible, can be cleansed and made white as snow.
Isaiah 1:18: Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
Contradiction with 1 John 1:9
Psalms 40:12 conveys an overpowering burden of sins, yet 1 John 1:9 assures that if we confess our sins, God is faithful to forgive and cleanse us from all unrighteousness.
1 John 1:9: If we confess our sins, he is faithful and just to forgive us [our] sins, and to cleanse us from all unrighteousness.
Contradiction with 2 Corinthians 5:17
Psalms 40:12 expresses a struggle with iniquities, whereas 2 Corinthians 5:17 describes those in Christ as new creations where old things have passed away, including sins.
2 Corinthians 5:17: Therefore if any man [be] in Christ, [he is] a new creature: old things are passed away; behold, all things are become new. [he is: or, let him be]
Contradiction with Jeremiah 31:34
Psalms 40:12 highlights the feeling of sins as innumerable, yet Jeremiah 31:34 promises that God will forgive iniquity and remember sins no more.
Jeremiah 31:34: And they shall teach no more every man his neighbour, and every man his brother, saying, Know the LORD: for they shall all know me, from the least of them unto the greatest of them, saith the LORD: for I will forgive their iniquity, and I will remember their sin no more.