Where does our sufficiency come from?
Our sufficiency comes from God, not from ourselves. The text says we are not sufficient of ourselves to think anything as of ourselves, but our sufficiency is of God. It is not based on human education, training, or heritage, but comes from God through Christ.
Les teaches that our sufficiency is of God, not of ourselves. He points to Ephesians 4 and the trust we have through Christ to Godward: we are not sufficient of ourselves to think anything as of ourselves, but our sufficiency is of God. Using Saul of Tarsus as an example, Les reminds us that Paul was the most educated Jew of his day, having sat at the feet of the greatest rabbi, and a Pharisee of the Pharisees. Yet Paul never claimed qualification by his training; in Philippians he called all of it dung and cast it aside as worthless so he might become the workmanship of Christ. His sufficiency was never because of his background, whether a Hebrew of the Hebrews or a Pharisee of the Pharisees, but because he was a humble servant of the Creator God. Les notes this is one example after another of the difference between law and grace.