Epictetus · Fragments
Fragment 29
From the Encheiridion of Epictetus
Under all circumstances take thought of nothing so much as safety; for it is safer to keep silence than to speak; and refrain from saying what will be devoid of sense and full of censure.
Epictetus, Discourses, Fragment 29, translated by W. A. Oldfather (1925–1928). The Stoic Library.