“Chemistry has the same quickening and suggestive influence upon the algebraist as a visit to the Royal Academy, or the old masters may be supposed to have on a Browning or a Tennyson. Indeed it see...”

“Mathematics is the music of reason.”

“May not music be described as the mathematics of the sense, mathematics as music of the reason? The musician feels mathematics, the mathematician thinks music: music the dream, mathematics the work...”

“Mathematics is not a book confined within a cover and bound between brazen clasps, whose contents it need only patience to ransack; it is not a mine, whose treasures may take long to reduce to poss...”

“It seems to be expected of every pilgrim up the slopes of the mathematical Parnassus, that he will at some point or other of his journey sit down and invent a definite integral or two towards the i...”

“The object of pure Physic[s] is the unfolding of the laws of the intelligible world; the object of pure Mathematic[s] that of unfolding the laws of human intelligence.”

“I should attempt to treat human vice and folly geometrically... the passions of hatred, anger, envy, and so on, considered in themselves, follow from the necessity and efficacy of nature... I shall...”

“If you can't test it, it's not theorics -- it's metatheorics. A branch of philosophy. So, if you want to think of it this way, our test equipment is what defines the boundary separating theorics fr...”

“Physicists have come to realize that mathematics, when used with sufficient care, is a proven pathway to truth.”

“They had killed themselves over our dying forests, over manatees maimed by propellers as they surfaced to drink from garden hoses; they had killed themselves at the sight of used tires stacked high...”

“The world seemed to shimmer a little at the edges.”

“If we cannot accept the importance of the world, which considers itself important, if in the midst of that world our laughter finds no echo, we have but one choice: to take the world as a whole and...”

“We are human only in contact, and conviviality, with what is not human.”

“The problem is this: nature has assembled all these species on this planet. The human species is no more important than any other species on this planet. For some reason, man accorded himself a sup...”

“More than the disappearing trees and roses, its the human tendency to suppress the Natural Voice of the Natures Man which is sorrowful.”