Related:

• Things true and evident must of necessity be recognized by those who would contradict them.
  -- Epictetus (c. 60 AD) -- Concerning the Epicureans, -- Discourses, Book ii, Chap. xx...
• Difficulties are things that show what men are. -- Epictetus (c.
  60 AD) -- Discourses, Book i, Chap. xxiv...
• First say to yourself what you would be; and then do what you have to do.
  -- Epictetus (c. 60 AD) -- Concerning such as read and dispute ostentatiously, -- Discourses, Book iii, Chap....
• The materials of action are variable, but the use we make of them should be constant.
  -- Epictetus (c. 60 AD) -- How Nobleness of Mind may be consistent with Prudence, -- Discourses, Book ii, Chap....
• Appear to know only this,--never to fail nor fall. -- Epictetus (c.
  60 AD) -- That Courage is not inconsistent with Caution, -- Discourses, Book ii, Chap. i...
• There are some things which men confess with ease, and others with difficulty.
  -- Epictetus (c. 60 AD) -- Of Inconsistency, -- Discourses, Book ii, Chap. xxi...
• To a reasonable creature, that alone is insupportable which is unreasonable
  but everything reasonable may be supported. -- Epictetus (c....
• What is the first business of one who studies philosophy?
  To part with self-conceit. For it is impossible for any one to begin to learn what he thinks that he already knows....
• Why, then, do you walk as if you had swallowed a ramrod?
  -- Epictetus (c. 60 AD) -- Discourses, Book i, Chap. xxi...