"The earth belongs in usufruct to the living; that the dead have neither powers nor rights over it."

"I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man."

"I have looked on man, in the course of my life, as a chemical analysis might look on a compound substance."

"It is an axiom in my mind that our liberty can never be safe but in the hands of the people themselves, and that too of the whole people."

"Difference of opinion is advantageous in religion. The several sects perform the office of a censor morum over each other."