Related:

• Let not thy mind run on what thou lackest as much as on what thou hast already.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, vii, 27...
• Never esteem anything as of advantage to thee that shall make thee break thy word or lose thy self-respect.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iii, 7...
• Whatever may befall thee, it was preordained for thee from everlasting.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, x, 5...
• A man's happiness,--to do the things proper to man.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, viii, 26...
• Look to the essence of a thing, whether it be a point of doctrine, of practice, or of interpretation.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, viii, 22...
• Be not careless in deeds, nor confused in words, nor rambling in thought.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, viii, 51...
• Thou wilt find rest from vain fancies if thou doest every act in life as though it were thy last.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, ii, 5...
• Respect the faculty that forms thy judgments.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iii, 9...
• Suit thyself to the estate in which thy lot is cast.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, vi, 39...