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Childhood is a foreign country we've all visited but can't quite remember.

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.

We don't even know how strong we are until we are forced to bring that hidden strength forward. In times of tragedy, of war, of necessity, people do amazing things. The human capacity for survival and renewal is awesome.

雖然有千辛萬苦、千難萬阻，哪怕我只是瑩蟲之光，結局是粉身碎骨，身敗名裂，依然在所不辭、初心不改。

文章的最高境界，能夠通達神明，窮盡天地之理，放之四海而皆準，流傳百世而不衰。

If there was less sympathy in the world there would be less trouble in the world.

科學是一種探索未知的冒險，每一次發現都是對自然的一次新的理解。