21. Which some professing—namely, professing these oppositions of science falsely so called.
erred—(See on 1Ti 1:6; 1Ti 2:11)—literally, "missed the mark" (2Ti 3:7, 8). True sagacity is inseparable from faith.
Grace—Greek, "the grace," namely, of God, for which we Christians look, and in which we stand [Alford].
be with thee—He restricts the salutation to Timothy, as the Epistle was not to be read in public [Bengel]. But the oldest manuscripts read, "be with you"; and the "thee" may be a transcriber's alteration to harmonize with 2Ti 4:22; Tit 3:15.
Amen—omitted in the oldest manuscripts.