Epictetus. (c.A.D. 50–c.A.D. 138). The Golden Sayings of Epictetus.
The Harvard Classics. 1909–14.
CIII
Even as bad actors cannot sing alone, but only in chorus: so some cannot walk alone.
Man, if thou art aught, strive to walk alone and hold converse with thyself, instead of skulking in the chorus! at length think; look around thee; bestir thyself, that thou mayest know who thou art!