1 Corinthians 7:12 New International Version
To the rest I say this (I, not the Lord): If any brother has a wife who is not a believer and she is willing to live with him, he must not divorce her.
2 Timothy 3:16
All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness,
Is 1 Corinthians 7:12 God-breathed? If yes, then what is the meaning of God-breathed? If not, is it contradicted by 2 Tim. 3:16?