Sun Tzu (-543–-495 BC) ancient Chinese military general, strategist and philosopher from the Zhou Dynasty
Source: The Art of War, Chapter XIII · Intelligence and Espionage
Sun Tzu (-543–-495 BC) ancient Chinese military general, strategist and philosopher from the Zhou Dynasty
Source: The Art of War, Chapter XIII · Intelligence and Espionage
“He that has a secret should not only hide it, but hide that he has it to hide.”
Thomas Carlyle (1795–1881) Scottish philosopher, satirical writer, essayist, historian and teacher
Pt. II, Bk. I, ch. 7.
1830s, The French Revolution. A History (1837)
Sören Kierkegaard (1813–1855) Danish philosopher and theologian, founder of Existentialism
(JP IV A81) 1843
1840s, The Journals of Søren Kierkegaard, 1840s
Heather Couper (1949) astronomer
in "Who Discovered the Galaxy - Presidential Address – 1985" http://adsabs.harvard.edu/full/1986JBAA...96..284C, Heather Couper, British Astron. Assoc. Journal V. 96, No. 5 (1986), p. 293, Bibliographic Code: 1986JBAA...96..284C
Ted Haggard (1956) American minister
[Haggard, Ted, Letters from Home, Regal Books, March 2003, p. 18, ISBN 0830730583]
“Men take more pains to hide than to mend themselves.”
George Savile, 1st Marquess of Halifax (1633–1695) English politician
Political, Moral, and Miscellaneous Reflections (1750), Miscellaneous Thoughts and Reflections
Richard Wurmbrand (1909–2001) Romanian Christian minister of Jewish descent
Source: Tortured For Christ (1967), p. 75.