“In this age, which believes that there is a short-cut to everything, the greatest lesson to be learned is that the most difficult way, in the long run, is the easiest.”
The Books in My Life (1952) Preface (2nd edition. New York: New Directions Publishing, 1969, p. 12)
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Henry Miller 187
American novelist 1891–1980Related quotes

1962, Address and Question and Answer Period at the Economic Club of New York (549)

The Exploration of Space (1951), p. 111
1950s

“Make it thy business to know thyself, which is the most difficult lesson in the world.”
Source: Don Quixote de la Mancha (1605–1615), Part II (1615), Book III, Ch. 42.

Quoted by Jane Howard in The Power That Didn't Corrupt http://books.google.com/books?id=MNSxAAAAIAAJ&q=%22Bromidic+though+it+may+sound+some+questions+don-t+have+answers+which+is+a+terribly+difficult+lesson+to+learn%22, Ms. magazine (October 1974)
As quoted in: Victor J. Katz (2009) A history of mathematics: an introduction. p. 271

“There is no royal road to learning; no short cut to the acquirement of any art.”
Source: Barchester Towers (1857), Ch. 20; this derives from an expression attributed to Euclid.