There never was a strong character that was not made strong by discipline of the will; there never was a strong people that did not rank subordination and discipline among the signal virtues. Subjection to moods is the mark of a deteriorating morality. There is no baser servitude than that of the man whose caprices are his masters, and a nation composed of such men could not long preserve its liberties.

Books are the best of things if well used; if abused, among the worst. They are good for nothing but to inspire. I had better never see a book than be warped by its attraction clean out of my own orbit, and made a satellite instead of a system.

Public opinion, I am sorry to say, will bear a great deal of nonsense. There is scarcely any absurdity so gross, whether in religion, politics, science or manners, which it will not bear.

The Americans have many virtues, but they have not Faith and Hope. I know no two words whose meaning is more lost sight of.

The angels are so enamored of the language that is spoken in heaven that they will not distort their lips with the hissing and unmusical dialects of men, but speak their own, whether their be any who understand it or not.

If you act, you show character; if you sit still, you show it; if you sleep you show it.

No one can read the history of astronomy without perceiving that Copernicus, Newton, Laplace, are not new men, or a new kind of men, but that Thales, Anaximenes, Hipparchus, Empodocles, Aristorchus, Pythagorus, Oenipodes, had anticipated them.