"It must be born in mind that one does not see directly - as is the case in the exploration of the surface of the brain - where the electrodes are attacking"
"He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice"
"Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see"