As you're reviewing Titus 2, you could also spend some time reading or listening to some sermons on this passage.
MacArthur has several sermons on this passage that are excellent if you have the time.
LeRoy Eims on the importance of Scripture memory: "I think two of the master strokes of the devil have been to convince people he doesn't exist, and that Scripture memory is only for children. He remembers the humility of defeat when Jesus Christ, who was tempted in all points like as we are, met him with the Word of God." (What Every Christian Should Know About Growing; p. 26-27)