But having food and clothing, we will be content with that.

 But what is meant by oppositions? The Greek word is antitheseis ( G477) . Very much later than this there was a heretic called Marcion who produced a book called The Antitheseis in which he quoted Old Testament texts and set beside them New Testament texts which contradicted them. This might very well mean: "Don't waste your time seeking out contradictions in Scripture. Use the Scriptures to live by and not to argue about." But there are two meanings more probable than that. 