I. faith: Belief, trust, confidence, reliance (in the ability, goodness, etc., of a person; in the efficacy or worth of a thing; or in the truth of a statement or doctrine).
II. Paul here sets in contrast various things:
A. Zeal v. knowledge.
B. Knowledge v. ignorance.
C. God’s righteousness v. the sinner establishing his own righteousness.
D. Trust in God v. trust in one’s own doing.
E. The righteousness which is of faith v. the righteousness which is of the law.
F. “Do and live” v. “live and do.”...