“Yet by such worthless beings is a great nation to be governed and even made to deify their old king because he is only a fool and a maniac, and to forgive and forget his having lost to them a great and flourishing empire.”

“Paper is poverty, it is only the ghost of money, and not money itself.”

“Love your neighbor as yourself and your country more than yourself.”

“Societies exist under three forms sufficiently distinguishable. 1. Without government, as among our Indians. 2. Under governments wherein the will of every one has a just influence, as is the case in England in a slight degree, and in our states, in a great one. 3. Under governments of force: as is the case in all other monarchies and in most of the other republics. To have an idea of the curse of existence under these last, they must be seen. It is a government of wolves over sheep.”

“The Declaration of Independence . . . [is the] declaratory charter of our rights, and the rights of man.”

“I suppose an entire cabinet of shells would be an expression of the whole human mind; a Flora of the whole globe would be so likewise, or a history of beasts; or a painting of all the aspects of the clouds. Everything is significant.”

“We admit, in geometry, not only infinite magnitudes, that is to say, magnitudes greater than any assignable magnitude, but infinite magnitudes infinitely greater, the one than the other. This astonishes our dimension of brains, which is only about six inches long, five broad, and six in depth, in the largest heads.”

“All the efforts of the human mind cannot exhaust the essence of a single fly.”