I unsettle all things.

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

No facts are to me sacred; none are profane; I simply experiment, an endless seeker, with no past at my back.

Do not be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better. What if they are a little coarse and you may get your coat soiled or torn? What if you do fail, and get fairly rolled in the dirt once or twice? Up again, you shall never be so afraid of a tumble.

Man is a stream whose source is hidden. Our being is descending into us from we know not whence. The most exact calculator has noprescience that somewhat incalculable may not balk the very next moment. I am constrained every moment to acknowledge a higher origin for events than the will I call mine.

Every great man is a unique. The Scipionism of Scipio is precisely that part he could not borrow.

The world is so beautiful that I can hardly believe it exists.