Those skilled in mathematical analysis know that its object is not simply to calculate numbers, but that it is also employed to find the relations between magnitudes which cannot be expressed in numbers and between functions whose law is not capable of algebraic expression.
Antoine Augustin CournotRelated topics
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Because most people are not sufficiently employed in themselves, they run about loose, hungering for employment, and satisfy themselves in various supererogatory occupations. The easiest of these occupations, which have all to do with making things already made, is the making of people: it is called the art of friendship.
Laura Riding