Sirach 21:25-27

Revised Standard Version

²⁵ The lips of strangers will speak of these things,^[a]
    but the words of the prudent will be weighed in the balance.
²⁶ The mind of fools is in their mouth,
    but the mouth of wise men is in^[b] their mind.
²⁷ When an ungodly man curses his adversary,^[c]
    he curses his own soul.