Life is like music, it must be composed by ear, feeling and instinct, not by rule. Nevertheless one had better know the rules, for they sometimes guide in doubtful cases, though not often.

Then God sends us such a messenger who appears to us in spirit, warns us, consoles us, teaches us, and brings us His good tidings.

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 give birth to a creative force that is neither elemental nor sidereal. Thoughts create a new heaven, a new firmament, a new source of energy, from which new arts flow. When a man undertakes to create something, he establishes a new heaven.

All drugs are poisons the benefit depends on the dosage.

All things are poisons. It is simply the dose that distinguishes between a poison and a remedy.

Medicine rests upon four pillars - philosophy, astronomy, alchemy, and ethics.