Others indeed may talk, and write, and fight about liberty, and make an outward pretence to it; but the free-thinker alone is truly free.

A mind at liberty to reflect on its own observations, if it produce nothing useful to the world, seldom fails of entertainment to itself.

In society, liberty for one may mean the suppression of liberty for others.

He who says there is no such thing as an honest man, you may be sure is himself a knave.

The eye by long use comes to see even in the darkest cavern: and there is no subject so obscure but we may discern some glimpse of truth by long poring on it.

Many things, for aught I know, may exist, whereof neither I nor any other man hath or can have any idea or notion whatsoever.