There is no supernatural, there is only nature. Nature alone exists and contains all. All is. There is the part of nature that we perceive, and the part of nature that we do not perceive. ... If you abandon these facts, beware; charlatans will light upon them, also the imbecile. There is no mean: science, or ignorance. If science does not want these facts, ignorance will take them up. You have refused to enlarge human intelligence, you augment human stupidity. When Laplace withdraws Cagliostro appears.

Poetry contains philosophy as the soul contains reason.

The owl goes not into the nest of the lark.

A fall from such a height is rarely straight downwards.

Melancholy is the happiness of being sad.

A bird sings, a child prattles, but it is the same hymn; hymn indistinct, inarticulate, but full of profound meaning.

Vengeance comes from the individual and punishment from God.