Every physician must be rich in knowledge, and not only of that which is written in books; his patients should be his book, they will never mislead him.

Poison is in everything, and no thing is without poison. The dosage makes it either a poison or a remedy.

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.

Alterius non sit qui suus esse potest. (Let no man belong to another that can belong to himself.)

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.

Time is a brisk wind, for each hour it brings something new... but who can understand and measure its sharp breath, its mystery and its design?

All arts lie in man, though not all are apparent. Awakening brings them out. To be taught is nothing; everything is in man waiting to be awakened.