
“…simplicity is the most deceitful mistress that ever betrayed man.”
The Education of Henry Adams (1907)
(tr. Hickie 1853, vol. 1, p. 326 http://books.google.com/books?id=Cm4NAAAAYAAJ&pg=PA326)
Birds (414 BC)
Variant: Man naturally is deceitful, ever indeed, and always, in every one thing.
“…simplicity is the most deceitful mistress that ever betrayed man.”
The Education of Henry Adams (1907)
Third Olynthiac http://books.google.com/books?id=n4INAAAAYAAJ&q="the+easiest+thing+in+the+world+is+self-deceit+for+every+man+believes+what+he+wishes+though+the+reality+is+often+different"&pg=PA57#v=onepage, section 19 (349 BC), as translated by Charles Rann Kennedy (1852)
Variants:
A man is his own easiest dupe, for what he wishes to be true he generally believes to be true.
As quoted in The Routledge Dictionary of Quotations (1987) by Robert Andrews, p. 255
There is nothing easier than self-delusion. Since what man desires, is the first thing he believes.
Book 2 part 3, ch. 10
Pedagogika dlya vseh (Parenting For Everyone) (1977–1986)
This World is all a fleeting Show.
Bartlett's Familiar Quotations, 10th ed. (1919)
“My favourite ever headline was "Worksop Man Dies Of Natural Causes."”
QI, Episode B.11
“And every man, in love or pride,
Of his fate is ever wide.”
Nemesis
Bartlett's Familiar Quotations, 10th ed. (1919)
“Every law that was ever written opened up a new way to graft.”
Source: Red Planet (1949), Chapter 4, “Lowell Academy”, p. 49
“Every operation in nature is in the shortest, best ordered, briefest, and best possible way.”
De iride published in Beiträge zur Geschichte der Philosophie des Mittelalters, IX (1912) pp.74-75 as quoted in Carl B. Boyer, The Rainbow: From Myth to Mathematics (1959)