"The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors."

The universe is not only stranger than we imagine, it is stranger than we can imagine.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.

未来属于今天为之准备的人。

上帝已死。

初期教育应是一种娱乐，这样才更容易发现一个人天生的爱好。