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.

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.

Time is a brisk wind, for each hour it brings something new.

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

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.

The beginning of wisdom is the beginning of supernatural power.

All things are poisons, for there is nothing without poisonous qualities. It is only the dose which makes a thing poison.