Can one generation bind another, and all others, in succession forever? I think not. The Creator has made the earth for the living, not the dead. Rights and powers can only belong to persons, not to things, not to mere matter endowed with will...Nothing is unchangeable but the inherent and unalienable rights of man.

I do not agree that an age of pleasure is no compensation for a moment of pain.

This formidable censor of the public functionaries [the press], by arraigning them at the tribunal of public opinion, produces reform peaceably, which must otherwise be done by revolution. It is also the best instrument for enlightening the mind of man and improving him as a rational, moral, and social being.

I am sure that in estimating every man's value either in private or public life, a pure integrity is the quality we take first into calculation, and that learning and talents are only the second.

He has waged cruel war against human nature itself, violating it’s most sacred rights of life & liberty in the persons of a distant people who never offended him, captivating & carrying them into slavery in another hemisphere, or to incur miserable death in their transportation thither. this piratical warfare, the opprobrium of infidel powers, is the warfare of the christian king of Great Britain. determined to keep open a market where MEN should be bought & sold, he has prostituted his negative for suppressing every legislative attempt to prohibit or to restrain this execrable commerce...

While old men feel sensibly enough their own advance in years, they do not sufficiently recollect it in those whom they have seenyoung.

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.