6:17-21 Being rich in this world is wholly different from being rich towards God. Nothing is more uncertain than worldly wealth. Those who are rich, must see that God gives them their riches; and he only can give to enjoy them richly; for many have riches, but enjoy them poorly, not having a heart to use them. What is the best estate worth, more than as it gives opportunity of doing the more good? Showing faith in Christ by fruits of love, let us lay hold on eternal life, when the self-indulgent, covetous, and ungodly around, lift up their eyes in torment. That learning which opposes the truth of the gospel, is not true science, or real knowledge, or it would approve the gospel, and consent to it. Those who advance reason above faith, are in danger of leaving faith. Grace includes all that is good, and grace is an earnest, a beginning of glory; wherever God gives grace, he will give glory.
18. do good—like God Himself (Ps 119:68; Ac 14:17) and Christ (Ac 10:38). Tittmann translates, "to do," or "act well"; as the Greek for "to be beneficent" is a distinct word, agathopoiein.
rich in good works—so "rich in faith," which produces good works (Jas 2:5). Contrasted with "rich in this world," 1Ti 6:17. Literally, it is "rich in honorable (right) works." Greek, "kalois," "ergois," are works good or right in themselves: "agathois," good to another.
ready to distribute—free givers [Alford]; the heart not cleaving to possessions, but ready to impart to others.
willing to communicate—ready contributors [Alford]: liberal in admitting others to share our goods in common with ourselves (Ga 6:6; Heb 13:16).