Titus 2:8

sound speech that cannot be condemned, that one who is an opponent may be ashamed, having nothing evil to say of you.

Surrounding context

2:7 in all things showing yourself to be a pattern of good works; in doctrine showing integrity, reverence, incorruptibility,

2:8 sound speech that cannot be condemned, that one who is an opponent may be ashamed, having nothing evil to say of you.

2:9 Exhort bondservants to be obedient to their own masters, to be well pleasing in all things, not answering back,

Translation and sources