Few and mean as my gifts may be, I actually am, and do not need for my own assurance or the assurance of my fellows any secondary testimony.

He is a dull observer whose experience has not taught him the reality and force of magic, as well as of chemistry.

The divine gift is ever the instant life, which receives and uses and creates, and can well bury the old in the omnipotency with which Nature decomposes all her harvest for recomposition.

Life is not so short but that there is always time enough for courtesy.

We resent all criticism which denies us anything that lies in our line of advance.

But lest I should mislead any when I have my own head and obey my whims, let me remind the reader that I am only an experimenter.Do not set the least value on what I do, or the least discredit on what I do not, as if I pretended to settle any thing as true or false. I unsettle all things. No facts are to me sacred; none are profane; I simply experiment, an endless seeker with no Past at my back.

Slavery is an institution for converting men into monkeys.