Everything is made of one hidden stuff.

The simplicity of the universe is very different from the simplicity of a machine. The simplicity of nature is not that which may be easily read but is inexhaustible. The last analysis can no wise be made.

I read your piece on Plato. Holmes, when you strike at a king, you must kill him.

This valley is the only place that comes up to the brag about it, and exceeds it.

One lesson we learn early, that in spite of seeming difference, men are all of one pattern. We readily assume this with our mates, and are disappointed and angry if we find that we are premature, and that their watches are slower than ours. In fact, the only sin which we never forgive in each other is difference of opinion.

If I should go out of church whenever I hear a false sentiment, I could never stay there five minutes.

The life of labor does not make men, but drudges.