These things speak, — Titus was to teach all these things, both positive and negative, to the church in Crete. and exhort, — He was to encourage the brethren. It is important to encourage others while teaching them the doctrines of Christ. and rebuke with all authority. —Titus was given authority to teach these things but he is encouraged here to teach in such a way so that his audience will receive the lessons and be moved by them. Let no man despise thee. —This word despise appears no where else in the New Testament. It means to think beyond or depreciate. Titus is thus told to conduct himself in such a way that men do not hate him or think little of him. He is to preach to word in truth and love.