He who thinks and thinks for himself, will always have a claim to thanks; it is no matter whether it be right or wrong, so as it be explicit. If it is right, it will serve as a guide to direct; if wrong, as a beacon to warn.

Why should the law refuse its protection to any sensitive being? The time will come when humanity will extend its mantle over everything which breathes.

Among the several cloudy appellatives which have been commonly employed as cloaks for misgovernment, there is none more conspicuous in this atmosphere of illusion than the word Order.

The age we live in is a busy age; in which knowledge is rapidly advancing towards perfection.

Natural rights is simple nonsense: natural and imprescriptible rights, rhetorical nonsense—nonsense upon stilts.

There is no pestilence in a state like a zeal for religion, independent of morality.

As to the evil which results from censorship, it is impossible to measure it, because it is impossible to tell where it ends.