Invisible things are the only realities; invisible things alone are the things that shall remain.

The subtleties of mathematics defecate the grossness of our apprehension, and supply the elements of a sounder and severer logic.

He that loves reading has everything within his reach.

Man is the only creature we know, that, when the term of his natural life is ended, leaves the memory of himself behind him.

Government can have no more than two legitimate purposes - the suppression of injustice against individuals within the community, and the common defense against external invasion.

The first duty of man is to take none of the principles of conduct upon trust; to do nothing without a clear and individual conviction that it is right to be done.

Obey; this may be right; but beware of reverence.... Government is nothing but regulated force; force is its appropriate claim upon your attention. It is the business of individuals to persuade; the tendency of concentrated strength, is only to give consistency and permanence to an influence more compendious than persuasion.