“Western Civ,” p. 18.
Giants and Dwarfs (1990)
“Socrates’ words, “Know thyself” remain for all those who seek true knowledge and being.”
All and Everything: Views from the Real World (1973)
Context: There do exist enquiring minds, which long for the truth of the heart, seek it, strive to solve the problems set by life, try to penetrate to the essence of things and phenomena and to penetrate into themselves. If a man reasons and thinks soundly, no matter which path he follows in solving these problems, he must inevitably arrive back at himself, and begin with the solution of the problem of what he is himself and what his place is in the world around him. For without this knowledge, he will have no focal point in his search. Socrates’ words, “Know thyself” remain for all those who seek true knowledge and being.
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G. I. Gurdjieff 62
influential spiritual teacher, Armenian philosopher, compos… 1866–1949Related quotes

“To those who know thee not, no words can paint!
And those who know thee, know all words are faint!”
Sensibility.

History of England http://books.google.com/books?id=6hUTAQAAIAAJ&q="Socrates+gave+no+diplomas+or+degrees+and+would+have+subjected+any+disciple+who+demanded+one+to+a+disconcerting+catechism+on+the+nature+of+true+knowledge" (1960).

Source: Guide for the Perplexed (c. 1190), Part III, Ch.21
Context: He fully knows His unchangeable essence, and has thus a knowledge of all that results from any of His acts. If we were to try to understand in what manner this is done, it would be the same as if we tried to be the same as God, and to make our knowledge identical with His knowledge. Those who seek the truth, and admit what is true, must believe that nothing is hidden from God; that everything is revealed to His knowledge, which is identical with His essence; that this kind of knowledge cannot be comprehended by us; for if we knew its method, we would possess that intellect by which such knowledge could be acquired.... Note this well, for I think that this is an excellent idea, and leads to correct views; no error will be found in it; no dialectical argument; it does not lead to any absurd conclusion, nor to ascribing any defect to God. These sublime and profound themes admit of no proof whatever... In all questions that cannot be demonstrated, we must adopt the method which we have adopted in this question about God's Omniscience. Note it.
Knowing Yourself: The True in the False (1996)

“Only by knowledge of that which is not thyself, shall thyself be learned.”
"Γνωθι Σεαυτον" ("Know Thyself"), in The Poetical Works of Owen Meredith (1867), Vol. I, p. 247.
Source: Postcards from Ed: Dispatches and Salvos from an American Iconoclast