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 DysonSuccessful technologies often begin as hobbies. Jacques Cousteau invented scuba diving because he enjoyed exploring caves. The Wright brothers invented flying as a relief from the monotony of their normal business of selling and repairing bicycles.
Freeman DysonWe do not know how much of the environmental change is due to human activities and how much [is due] to long-term natural processes over which we have no control.
Freeman Dyson