In the sphere of thought, absurdity and perversity remain the masters of the world, and their dominion is suspended only for brief periods.

Men of learning are those who have read the contents of books. Thinkers, geniuses, and those who have enlightened the world and furthered the race of men, are …

In Christian ethics ... animals are seen as mere things. They can therefore be used for vivisection, hunting, coarsing, bull-fights and horse-races and can be …

To free a man from error is to give, not to take away. Knowledge that a thing is false is a truth. Error always does harm; sooner or later it will bring mischi…

Nothing is so conformable to reason as to disavow reason. (272)

For knowledge of the first principles, like space, time, motion, number, is as solid as any derived through reason, and it is on such knowledge, coming from th…

A rush of wind comes furiously now, down from the mountaintop. 'The ancient Greeks,' I say, 'who were the inventors of classical reason, knew better than to us…