Titus 2:1 - Albert Barnes' Notes on the Bible

But speak thou - In thine own ministry. In the previous chapter he had given him instructions as to the kind of persons who were to be put into the sacred office. Here he gives him special instructions in regard to his own preaching. “The things which become sound doctrine.” To wit, those which he proceeds immediately to specify. On the phrase sound doctrine, see the notes at 1 Timothy 1:10; compare 2 Timothy 4:3.