书是一面镜子：如果一只猿猴看进去，一个使徒不太可能看出去。
"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."
预测未来的最好方法就是创造未来。
Pure mathematics is, in its way, the poetry of logical ideas.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
学习涉及网络中单元之间连接强度的逐步调整。
永远不要低估小步骤的力量，它们会带来巨大的转变。
"The universe is full of magical things patiently waiting for our wits to grow sharper."