Humor, however broad and genial, takes a narrower view than enthusiasm.

One must maintain a little bittle of summer, even in the middle of winter.

As they say in geology, time never fails, there is always enough of it, so I may say, criticism never fails.

The voice of nature is always encouraging.

But what is quackery? It is commonly an attempt to cure the diseases of a man by addressing his body alone. There is need of a physician who shall minister to both soul and body at once, that is, to man. Now he falls between two stools.

It is hard to have a Southern overseer; it is worse to have a Northern one; but worst of all when you are yourself the slave-driver.

We can never have enough of Nature.