The rest of mankind are just as unconscious of what they do while awake as they are of what they do while they sleep.
Heraclitus of Ephesus (quoted in Sextus Empiricus, Against the Mathematicians)
Things which are put together are both whole and not whole, brought together and taken apart, in harmony and out of harmony; one thing arises from all things, and all things arise from one thing.
Heraclitus of Ephesus (quoted in Aristotle, On the World)
Wisdom is one thing: to understand with true judgment
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