Our Constitution... has not left the religion of its citizens under the power of its public functionaries, were it possible that any of these should consider a conquest over the conscience of men either attainable or applicable to any desirable purpose.

The present generation has the same right of self-government which the past one has exercised for itself.

Speaking one day to Monsieur de Buffon, on the present ardor of chemical inquiry, he affected to consider chemistry but as cookery, and to place the toils of the laboratory on the footing with those of the kitchen. I think it, on the contrary, among the most useful of sciences, and big with future discoveries for the utility and safety of the human race.

My confidence is that there will for a long time be virtue and good sense enough in our countrymen to correct abuses.

Our tenet ever was . . . that Congress had not unlimited powers to provide for the general welfare, but were restrained to those specifically enumerated; and that, as it was never meant that they should provide for that welfare but by the exercise of the enumerated powers, so it could not have been meant they should raise money for purposes which the enumeration did not place under their action.

The republican is the only form of government which is not eternally at open or secret war with the rights of mankind.

I love peace, and am anxious that we should give the world still another useful lesson, by showing to them other modes of punishing injuries than by war, which is as much a punishment to the punisher as to the sufferer.