Titus 1:3; Titus 1:9; Titus 2:5; Titus 2:8; Titus 3:8

3 but at the proper time manifested, even His word, in the proclamation with which I was entrusted according to the commandment of God our Savior,
9 holding fast the faithful word which is in accordance with the teaching, so that he will be able both to exhort in sound doctrine and to refute those who contradict.
5 to be sensible, pure, workers at home, kind, being subject to their own husbands, so that the word of God will not be dishonored.
8 sound in speech which is beyond reproach, so that the opponent will be put to shame, having nothing bad to say about us.
8 This is a trustworthy statement; and concerning these things I want you to speak confidently, so that those who have believed God will be careful to engage in good deeds. These things are good and profitable for men.