There is an earthly sun, which is the cause of all heat, and all who are able to see may see the sun; and those who are blind and cannot see him may feel his heat. There is an Eternal Sun, which is the source of all wisdom, and those whose spiritual senses have awakened to life will see that sun and be conscious of His existence; but those who have not attained spiritual consciousness may yet feel His power by an inner faculty which is called Intuition.

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.

All drugs are poisons the benefit depends on the dosage.

He who knows nothing loves nothing. He who can do nothing understands nothing. He who understands nothing is worthless. But he who understands also loves, notices, sees. The more knowledge is inherent in a thing, the greater the love.

Women's regular bleeding engenders phantoms.

Many have said of Alchemy, that it is for the making of gold and silver. For me such is not the aim, but to consider only what virtue and power may lie in medicines.

In every human being there is a special heaven, whole and unbroken.