All trades, arts, and handiworks have gained by division of labor... Where the different kinds of work are not distinguished and divided, where everyone is a jack-of-all-trades, there manufactures remain still in the greatest barbarism.

Two things strike me dumb: the infinite starry heavens, and the sense of right and wrong in man.

Freedom is that faculty that enlarges the usefulness of all other faculties.

There is a limit where the intellect fails and breaks down, and this limit is where the questions concerning God and freewill and immortality arise.

Procrastination is hardly more evil than grasping impatience.

Even philosophers will praise war as ennobling mankind, forgetting the Greek who said: 'War is bad in that it begets more evil than it kills.'

Freedom can never be comprehended, nor even can insight into it be gained.