Give up money, give up fame, give up science, give the earth itself and all it contains rather than do an immoral act. And never suppose that in any possible situation, or under any circumstances, it is best for you to do a dishonorable thing, however slightly so it may appear to you.

His system of morality was the most benevolent and sublime probably that has been ever taught, and consequently more perfect than those of any of the ancient philosophers... He was the most innocent, the most benevolent, the most eloquent and sublime character that ever has been exhibited to man.

The only greater [evil] than separation... [is] living under a government of discretion.

Those who would trade safety for freedom deserve neither.

Until we stop harming all other living beings, we are still savages.

New York, like London, seems to be a cloacina [toilet] of all the depravities of human nature.

I have indeed two great measures at heart, without which no republic can maintain itself in strength: 1. That of general education, to enable every man to judge for himself what will secure or endanger his freedom. 2. To divide every county into hundreds, of such size that all the children of each will be within reach of a central school in it.