Contradiction with Matthew 19:6
This verse speaks of the permanence of marriage, emphasizing that what God has joined, no man should separate, while 1 Corinthians 7:10 allows for separation in certain circumstances.
Matthew 19:6: Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.
Contradiction with Malachi 2:16
This verse states that God hates divorce, presenting a strong admonition against it, contrasting with 1 Corinthians 7:10 which permits separation under guidance.
Malachi 2:16: For the LORD, the God of Israel, saith that he hateth putting away: for [one] covereth violence with his garment, saith the LORD of hosts: therefore take heed to your spirit, that ye deal not treacherously. [that he...: or, if he hate her, put her away] [putting...: Heb. to put away]