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 CarrollI wish I hadn't cried so much!โ said Alice, as she swam about, trying to find her way out. I shall be punished for it now, I suppose, by being drowned in my own tears !
Lewis Carroll