“Although many of the artifices employed in the works before mentioned are remarkable for their elegance, it is easy to see they are adapted only to particular objects, and that some general method, capable of being employed in every case, is still wanting.”
introducing his mathematical methods for the description of electricity and magnetism, [George Green, An essay on the application of mathematical analysis to the theories of electricity and magnetism, T. Wheelhouse, 1828, vi]
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Context: The difference between mind and brain is that brain deals only with memorized, subjective, special-case experiences and objective experiments, while mind extracts and employs the generalized principles and integrates and interrelates their effective employment. Brain deals exclusively with the physical, and mind exclusively with the metaphysical.
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 124.
“We may employ artifice to deceive a rival, anything against our enemies.”
Pour tromper un rival l'artifice est permis; on peut tout employer contres ses ennemis.
As quoted in Dictionary of Quotations from Ancient and Modern English and Foreign Sources (1899) by James Wood
Variant translation: To mislead a rival, deception is permissible; one may use all means against his enemies.
Source: (1776), Book IV, Chapter II, p. 489.
Lecture IX : On the Conduct of the Understanding
Elementary Sketches of Moral Philosophy (1849)