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• 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...
• 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...
• Look beneath the surface; let not the several quality of a thing nor its worth escape thee.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, vi, 3...
• Flinch not, neither give up nor despair, if the achieving of every act in accordance with right principle is not always continuous with thee.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, v, 9...
• He that knows not what the world is, knows not where he is himself.
  He that knows not for what he was made, knows not what he is nor what the world is....
• Let no act be done at haphazard, nor otherwise than according to the finished rules that govern its kind.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iv, 2...
• Respect the faculty that forms thy judgments.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, iii, 9...
• Though thou be destined to live three thousand years and as many myriads besides, yet remember that no man loseth other life than that which he liveth, nor liveth other than that which he loseth.
  -- Marcus Aurelius Antoninus (121-180 AD) -- Meditations, ii, 14...