“Work is of two kinds: first, altering the position of matter at or near the earth's surface relative to other matter second, telling other people to do so.”
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Aristotle maintained that women have fewer teeth than men although he was twice married, it never occurred to him to verify this statement by examining his wives' mouths.
A truer image of the world, I think, is obtained by picturing things as entering into the stream of time from an eternal world outside, than from a view which regards time as the devouring tyrant of all that is.
Next to enjoying ourselves, the next greatest pleasure consists in preventing others from enjoying themselves, or, more generally, in the acquisition of power.
Almost everything that distinguishes the modern world from earlier centuries is attributable to science, which achieved its most spectacular triumphs in the seventeenth century.