We won't really understand the brain until we can make models of it which are analog rather than digital, which nobody seems to be trying very much.
Freeman DysonNow, as Mandelbrot points out, ... Nature has played a joke on the mathematicians. The 19th-century mathematicians may not have been lacking in imagination, but Nature was not. The same pathological structures that the mathematicians invented to break loose from 19th-century naturalism turn out to be inherent in familiar objects all around us.
Freeman Dyson