Fasting is the greatest remedy-- the physician within.

Nature is a light, and by looking at Nature in her own light we will understand her. Visible Nature may be seen in her visible light; invisible Nature may become visible if we acquire the power to perceive her invisible light.

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

Could we but rightly comprehend the mind of man, nothing would be impossible to us upon the earth.

However, anyone to whom this happens should not leave his room upon awakening, should speak to no-one, but remain alone and sober until everything comes back to him, and he recalls the dream.

Medicine is not merely a science but an art. The character of the physician may act more powerfully upon the patient than the drugs employed.

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.