Jamieson, Fausset and Brown on Acts 20:32-35

32-35. I commend you to God--the almighty Conservator of His people.

and to the word of his grace--that message of His pure grace (Ac 20:24) by the faith of which He keeps us (1Pe 1:5).

which--that is, God.

is able to build you up, and to give you an inheritance, &c.--Observe how salvation--not only in its initial stages of pardon and regeneration, but in all its subsequent stages of "up-building," even to its consummation in the final inheritance--is here ascribed to the "ability" of God to bestow it, as in Ro 16:25; Ep 3:20; particularly Jude 24; and compare 2Ti 1:12, where the same thing is ascribed to Christ.

among all them which are sanctified--Sanctification is here viewed as the final character and condition of the heirs of glory, regarded as one saved company.