Authorship is not a trade, it is an inspiration; authorship does not keep an office, its habitation is all out under the sky, and everywhere the winds are blowing and the sun is shining and the creatures of God are free.

I do not see how astronomers can help feeling exquisitely insignificant, for every new page of the Book of the Heavens they open reveals to them more and more that the world we are so proud of is to the universe of careening globes as is one mosquito to the winged and hoofed flocks and herds that darken the air and populate the plains and forests of all the earth. If you killed the mosquito would it be missed? Verily, What is Man, that he should be considered of God?

The introduction of homeopathy forced the old school doctor to stir around and learn something of a rational nature about his business. You may honestly feel grateful that homeopathy survived the attempts of the allopaths to destroy it.

Every time I reform in one direction I go overboard in another.

High and fine literature is wine, and mine is only water; but everybody likes water.

I was seldom able to see an opportunity until it had ceased to be one.

I could be an idiot, or I can serve in Congress, but I repeat myself.