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

This is alchemy, and this is the office of Vulcan; he is the apothecary and chemist of the medicine.

And it is true, best is nothing concealed which shall not be discovered; for which cause a marvellous being shall come after me, who as yet lives not, and who shall reveal many things.

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

A little bit of beer is divine medicine.

All things are poisons. It is simply the dose that distinguishes between a poison and a remedy.

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