There exists in nature a force which is immeasurably more powerful than steam, and by means of which a single man, who knows how to adapt and direct it, might upset and alter the face of the world.

If you wish to seduce an angel, you must play the part of a devil.

One can only define the unknown by its supposed and supposable relations with the known.

All the power of the occult healer lies in his conscious will, and all his art consists in producing faith in the patient.

Everything lives by movement, everything is maintained by equilibrium, and harmony results from the analogy of contraries; this law is the form of forms.

An iron chain is less difficult to break than a chain of flowers.

Succeed in not fearing the lion, and the lion will fear you.