Contradiction with Proverbs 3:5
This verse advises trusting in the Lord with all your heart and not relying on your own understanding, while 2 Corinthians 1:12 emphasizes boasting in personal integrity and wisdom.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Jeremiah 17:9
This verse states that the heart is deceitful above all things, contradicting the notion in 2 Corinthians 1:12 of confidence in the sincerity of one's heart.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?
Contradiction with Romans 3:10
This verse claims none are righteous, no, not one, which opposes the self-assured declaration of righteousness in conduct as per 2 Corinthians 1:12.
Romans 3:10: As it is written, There is none righteous, no, not one:
Contradiction with Isaiah 64:6
Refers to all our righteous acts as filthy rags, challenging the notion of boasting in personal holiness presented in 2 Corinthians 1:12.
Isaiah 64:6: But we are all as an unclean [thing], and all our righteousnesses [are] as filthy rags; and we all do fade as a leaf; and our iniquities, like the wind, have taken us away.
Contradiction with Matthew 6:1
Advises against practicing righteousness to be seen by others, while 2 Corinthians 1:12 boasts about conduct before others.
Matthew 6:1: Take heed that ye do not your alms before men, to be seen of them: otherwise ye have no reward of your Father which is in heaven. [alms: or, righteousness] [of your: or, with your]
Contradiction with Luke 18:14
States that whoever exalts himself will be humbled, contrasting with the boasting mentioned in 2 Corinthians 1:12.
Luke 18:14: I tell you, this man went down to his house justified [rather] than the other: for every one that exalteth himself shall be abased; and he that humbleth himself shall be exalted.
Contradiction with James 4:16
Warns that all boasting is evil, thereby conflicting with the act of boasting in simplicity and godly sincerity in 2 Corinthians 1:12.
James 4:16: But now ye rejoice in your boastings: all such rejoicing is evil.