What the eyes perceive in herbs or stones or trees is not yet a remedy; the eyes see only the dross.

Since nothing is so secret or hidden that it cannot be revealed, everything depends on the discovery of those things that manifest the hidden.

The physician must give heed to the region in which the patient lives, that is to say, to its type and peculiarities.

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

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

I am different. Let this not upset you

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