Contradiction with Matthew 28:19-20
These verses command the spread of the Gospel to all nations, which appears as direct action, whereas 2 Corinthians 2:12 discusses God opening doors for preaching, suggesting a more passive approach.
Matthew 28:19-20: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with Proverbs 16:9
This verse highlights that a man's heart devises his way, but the Lord directs his steps, contrasting with the implication in 2 Corinthians 2:12 that God directly opens doors for preaching the Gospel.
Proverbs 16:9: A man's heart deviseth his way: but the LORD directeth his steps.
Contradiction with Acts 16:6-7
Paul is forbidden by the Holy Spirit to preach in certain areas, showing divine intervention in closing doors, which contrasts with the opening of doors in 2 Corinthians 2:12.
Acts 16:6-7: Now when they had gone throughout Phrygia and the region of Galatia, and were forbidden of the Holy Ghost to preach the word in Asia,