Since nothing is so secret or hidden that it cannot be revealed, everything depends on the discovery of those things that manifest the hidden.

Thoughts create a new heaven, a new firmament, a new source of energy, from which new arts flow.

Everything is a drug; it depends on the dose.

It is said that a wise man rules over the stars, but this does not mean that he rules over the influences which come from the stars in the sky. It means that he rules over the powers which exist in his own constitution.

The book of Nature is that which the physician must read; and to do so he must walk over the leaves.

It would be an error to try to build the Kingdom of Heaven upon envy. For nothing that is founded on envy can thrive; it must have another root.

Man is a microcosm, or a little world, because he is an extract from all the stars and planets of the whole firmament, from the earth and the elements; and so he is their quintessence.