The right of nature . . . is the liberty each man hath to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
Thomas Hobbes (1588 - 1679)
Source: Leviathan, 1651
Contributed by: Zaady
Geometry, which is the only science that it hath pleased God hitherto to bestow on mankind.
Source: J. R. Newman (ed.) The World of Mathematics, New York: Simon and Schuster, 1956.
The privilege of absurdity; to which no living creature is subject but man only.
Source: Leviathan