"Seek the good in yourself" — Epictetus

Seek not the good in external things; seek it in yourself.

Discourses, Book I, 21

Source Book

Source book

Discourses by Epictetus

A city is not adorned by external things, but by the virtue of those who dwell in it.

Fragments

A ship should not ride on a single anchor, nor life on a single hope.

Fragments

Any person capable of angering you becomes your master.

Enchiridion