virtue is good, vice bad, external things indifferent.
 Marcus Aurelius, Meditations (c. 170 - 180). copy citation

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Author Marcus Aurelius
Source Meditations
Topic vice virtue
Date c. 170 - 180
Language English
Reference
Note Translated by Meric Casaubon
Weblink https://en.wikisource.org/wiki/Marcus_Aurelius_Antoninus_-_His_Meditatio...

Context

“, and systematised by Chrysippus (3rd century B.C.) . Their physical theory was a pantheistic materialism, their summum bonum "to live according to nature." Their wise man needs nothing, he is sufficient to himself; virtue is good, vice bad, external things indifferent. THEOPHRASTUS, a philosopher, pupil of Aristotle, and his successor as president of the Lyceum. He wrote a large number of works on philosophy and natural history. Died 287 B.C. Thrasea, P. Thrasea Pactus, a senator and Stoic philosopher, a noble and courageous man.” source