“The first requirement of a statesman is that he be dull.”
Oxford dictionary of quotations
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Dean Acheson 49
Statesman and lawyer 1893–1971Related quotes

Upon stepping down as PC leader, 2003 Leadership Convention, May 30, 2003

“Deceiving himself well is the first quality of the statesman.”
Ibid., p. 241
The Book of Disquiet
Original: Saber iludir-se bem é a primeira qualidade do estadista.

1850s, Latter-Day Pamphlets (1850), Stump Orator (May 1, 1850)

Preface (8 May 1686)
Philosophiae Naturalis Principia Mathematica (1687)
Context: The ancients considered mechanics in a twofold respect; as rational, which proceeds accurately by demonstration, and practical. To practical mechanics all the manual arts belong, from which mechanics took its name. But as artificers do not work with perfect accuracy, it comes to pass that mechanics is so distinguished from geometry, that what is perfectly accurate is called geometrical; what is less so is called mechanical. But the errors are not in the art, but in the artificers. He that works with less accuracy is an imperfect mechanic: and if any could work with perfect accuracy, he would be the most perfect mechanic of all; for the description of right lines and circles, upon which geometry is founded, belongs to mechanics. Geometry does not teach us to draw these lines, but requires them to be drawn; for it requires that the learner should first be taught to describe these accurately, before he enters upon geometry; then it shows how by these operations problems may be solved.

“To climb steep hills requires a slow pace at first.”

“The very first requirement in a hospital is that it should do the sick no harm.”
Notes on Hospitals 3rd Edition (1863), Preface
Variant: It may seem a strange principle to enunciate as the very first requirement in a hospital that it should do the sick no harm.
Source: Notes on Nursing: What It Is, and What It Is Not