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.

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

Men who are devoid of the power of spiritual perception are unable to recognize anything that cannot be seen externally.

All numbers are multiples of one, all sciences converge to a common point, all wisdom comes out of one center, and the number of wisdom is one.

Anyone who imagines that all fruits ripen at the same time as the strawberries knows nothing about grapes.

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.

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.