Alterius non sit qui suus esse potest. (Let no man belong to another that can belong to himself.)

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

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

It 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.

Know that the philosopher has power over the stars, and not the stars over him.

Magic has power to experience and fathom things which are inaccessible to human reason. For magic is a great secret wisdom, just as reason is a great public folly.

Whether wine is a nourishment, medicine or poison is a matter of dosage