If we want to make a statement about a man's nature on the basis of his physiognomy, we must take everything into account; it is in his distress that a man is tested, for then his nature is revealed.

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

Let no one who can be his own belong to another.

Consider that we shouldn't call our brother a fool, since we don't know ourselves what we are.

What we should be after death, we have to attain in life, i.e. holiness and bliss. Here on earth the Kingdom of God begins.

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

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.