Source: The Importance of Living (1937), p. 332
“He who does not know how to look back at where he came from will never get to his destination.”
“Every perfect traveller always creates the country where he travels.”
As quoted in Reporter in Red China (1966) by Charles Taylor
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.
VIII, 52
Meditations (c. 121–180 AD), Book VIII
“Tourists don't know where they've been, travelers don't know where they're going.”
“Physics and psychology are going somewhere, but where they do not know. But… they are traveling”
Essay on Atomism: From Democritus to 1960 (1961)
Context: Physics and psychology are going somewhere, but where they do not know. But... they are traveling from: Democritan permanent particles and the Cartesian mind necessarily aware.... they are both traveling away from the same point of origin and in the same general direction: from the isolation of supposedly permanent "substances" towards the identification of changing relations potentially affecting everything; briefly, from substance to changing relations and structures.
Section V: “The Parliament of the People”, p. 100 http://books.google.com/books?id=MW8SAAAAIAAJ&pg=PA100&dq=%22No+student+knows+his+subject%22
1910s, The New Freedom (1913)
Prior to The Battle of East and West: Ricky Hatton vs. Manny Pacquiao
As quoted in "Pacquiao-Hatton Worthy of Grand Setting" http://sports.yahoo.com/box/news?slug=ro-pachat033109 Yahoo! Sports (2009-03-31)
“He who knows does not speak; he who speaks does not know.”
Variant: Those who know, do not speak, those who speak, do not know.
Source: Tao Te Ching, Ch. 56
