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.

Poison is in everything, and no thing is without poison. The dosage makes it either a poison or a remedy.

But is not He who created it for the sake of the sick body more than the remedy? And is not He who cures the soul, which is more than the body, greater?

From time immemorial artistic insights have been revealed to artists in their sleep and in dreams, so that at all times they ardently desired them.

Consider that we shouldn't call our brother a fool, since we don't know ourselves what we are.

All arts lie in man, though not all are apparent. Awakening brings them out. To be taught is nothing; everything is in man waiting to be awakened.

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