The book of Nature is that which the physician must read; and to do so he must walk over the leaves.
ParacelsusMany 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.
ParacelsusMen who are devoid of the power of spiritual perception are unable to recognize anything that cannot be seen externally.
ParacelsusIt should be forbidden and severely punished to remove cancer by cutting, burning, cautery, and other fiendish tortures. It is from nature that the disease comes, and from nature comes the cure, not from physicians.
Paracelsus