The Golden Sayings of Epictetus by Epictitus Part 9 Page 10

sold for it, whether he will or no. So is it also with the Soul. Once the Good appears, it attracts towards itself; evil repels. But a clear and certain impression of the Good the Soul will never reject, any more than men do Caesar’s coin. On this hangs every impulse alike of Man and God.

XC

Asked what Common Sense was, Epictetus replied: —

As that may be called a Common Ear which distinguishes only sounds, while that which distinguishes musical notes is not common but produced by training; so there are certain things which men not entirely perverted see by the natural principles common to all. Such a constitution of the Mind is called Common Sense.