Titus 2:8
and soundness of speech that can’t be condemned, that he who opposes you may be ashamed, having no evil thing to say about us.
World English Bible (Public Domain)
In context
Before · Titus 2:6–7
6Likewise, exhort the younger men to be sober minded. 7In all things show yourself an example of good works. In your teaching, show integrity, seriousness, incorruptibility,
8and soundness of speech that can’t be condemned, that he who opposes you may be ashamed, having no evil thing to say about us.