“Your man with a thin skin, a vehement ambition, a scrupulous conscience, and a sanguine desire for rapid improvement is never a happy, and seldom a fortunate politician.”
Source: The Prime Minister (1876), Ch. 11
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Anthony Trollope 128
English novelist (1815-1882) 1815–1882Related quotes

L’homme jouit du bonheur qu’il ressent, et la femme de celui qu’elle procure. Cette différence, si essentielle et si peu remarquée, influe pourtant, d'une manière bien sensible, sur la totalité de leur conduite respective. Le plaisir de l’un est de satisfaire des désirs, celui de l’autre est surtout de les faire naître.
Letter 130: Madame de Rosemonde to Madame la Présidente Tourvel. Trans. Richard Aldington (1924). http://fr.wikisource.org/wiki/Les_Liaisons_dangereuses_-_Lettre_130
Les liaisons dangereuses (1782)

“Ambition has its disappointments to sour us, but never the good fortune to satisfy us.”
"On True Happiness", Pennsylvania Gazette (20 November 1735).
1730s
“Prosperity can change man's nature; and seldom is any one cautious enough to resist the effects of good fortune.”
Res secundæ valent commutare naturam, et raro quisquam erga bona sua satis cautus est.
X, 1, 40.
Historiarum Alexandri Magni Macedonis Libri Qui Supersunt, Book X

Isn’t She Deneuvely?: Vanity Fair, Dec 2008 http://www.vanityfair.com/culture/features/2008/12/winslet200812

“There are two ways to be happy: improve your reality, or lower your expectations.”
Variant: There were two ways to be happy: improve your reality, or lower your expectations
Source: Nineteen Minutes

“Man never thinks himself happy, but when he enjoys those things which others want or desire.”