Accustom Yourself

Whatever you would make habitual, practice it; and if you would not make a thing habitual, do not practice it, but accustom yourself to something else.

-- Epictetus (c. 55 - c. 135 AD), born a slave, Greek Stoic philosopher.  The name given by his parents, if one was given, is not known.  The word epiktetos in Greek simply means "acquired", Discourses Book II, ch. 18