Sirach 37:18-20

Revised Standard Version Catholic Edition

¹⁸     four turns of fortune appear,
good and evil, life and death;
    and it is the tongue that continually rules them.
¹⁹ A man may be shrewd and the teacher of many,
    and yet be unprofitable to himself.
²⁰ A man skilled in words may be hated;
    he will be destitute of all food,