Epictetus. (c.A.D. 50–c.A.D. 138). The Golden Sayings of Epictetus.
The Harvard Classics. 1909–14.
IV
But I have one whom I must please, to whom I must be subject, whom I must obey:—God, and those who come next to Him. He hath entrusted me with myself: He hath made my will subject to myself alone and given me rules for the right use thereof.