Medicine rests upon four pillars - philosophy, astronomy, alchemy, and ethics.

- Paracelsus

Although Alchemy has now fallen into contempt, and is even considered a thing of the past, the physicain should not be influenced by such judgements.

- Paracelsus

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

- Paracelsus

This process is alchemy: its founder is the smith Vulcan.

- Paracelsus

There's something called From 'Alchemy to Quarks,' which will teach you everything you have to know, you want to know, about physics.

- Sheldon Lee Glashow