“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.”

“But lest I should mislead any when I have my own head and obey my whims, let me remind the reader that I am only an experimenter.Do not set the least value on what I do, or the least discredit on what I do not, as if I pretended to settle any thing as true or false. I unsettle all things. No facts are to me sacred; none are profane; I simply experiment, an endless seeker with no Past at my back.”

“The power which resides in him is new in nature, and none but he knows what that is which he can do, nor does he know until he has tried.”

“The lessons of science should be experimental also. The sight of a planet through a telescope is worth all the course on astronomy; the shock of the electric spark in the elbow outvalues all theories; the taste of the nitrous oxide, the firing of an artificial volcano, are better than volumes of chemistry.”