Authors:
  • My hand moves because certain forces--electric, magnetic, or whatever 'nerve-force' may prove to be--are impressed on it by my brain. This nerve-force, stored in the brain, would probably be traceable, if Science were complete, to chemical forces supplied to the brain by the blood, and ultimately derived from the food I eat and the air I breathe.

    Lewis Carroll (2013). “Delphi Complete Works of Lewis Carroll (Illustrated)”, p.426, Delphi Classics