That arithmetic is the basest of all mental activities is proved by the fact that it is the only one that can be accomplished by a machine.

Means at our disposal should be regarded as a bulwark against the many evils and misfortunes that can occur. We should not regard such wealth as a permission or even an obligation to procure for ourselves the pleasures of the world.

History is the long, difficult and confused dream of Mankind.

Compassion for animals is intimately associated with goodness of character, and it may be confidently asserted that he who is cruel to animals cannot be a good man.

Man is the only animal who causes pain to others with no other object than wanting to do so.

Mostly it is loss which teaches us about the worth of things.

This is the case with many learned persons; they have read themselves stupid.