There is no habit you will value so much as that of walking far without fatigue.

Laws that forbid the carrying of arms disarm only those who are neither inclined nor determined to commit crimes.

I believe from what I have lately seen that we should be substantially safe were our Citizens Armed, but we have not as many Arms as we have Enemies in the State.

in the spring he will attend your botanical course. his natural turn is very strongly to the objects of your two courses of lectures, and I hope you will have reason to be contended with his capacity & character.

I like a little rebellion now and then. It is like a storm in the atmosphere.

An injured friend is the bitterest of foes.

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