科学是关于理解我们周围的世界，这种理解可以带来令人难以置信的进步。
Mental activity is the organism's dialogue with its environment.
The difference between an adventure and an ordeal is attitude.
The best ideas often come from listening to those closest to the problem.
机器人应该像人一样思考，而不是人像机器人一样工作。