A mind always employed is always happy.

I agree with you that it is the duty of every good citizen to use all the opportunities, which occur to him, for preserving documents relating to the history of our country.

I should . . . prefer swallowing one incomprehensibility rather than two. It requires one effort only to admit the single incomprehensibility of matter endowed with thought, and two to believe, first that of an existence called spirit, of which we have neither evidence nor idea, and then secondly how that spirit, which has neither extension nor solidity, can put material organs into motion.

The most effectual means of preventing the perversion of power into tyranny are to illuminate, as far as practicable, the minds of the people at large, and more especially to give them knowledge of those facts which history exhibits, that possessed thereby of the experience of other ages and countries, they may be enabled to know ambition under all its shapes, and prompt to exert their natural powers to defeat its purposes.

The policy of the American government is to leave their citizens free, neither restraining nor aiding them in their pursuits.

We are destined to be a barrier against the return of ignorance and barbarism. Old Europe will have to lean on our shoulders, and to hobble along by our side, under the monkish trammels of priests and kings, as she can. What a colossus shall we be when the southern continent comes up to our mark! What a stand will it seem as a ralliance for the reason and freedom of the globe!

It may be regarded as certain that not a foot of land will ever be taken from the Indians without their own consent.