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.

I want to be remembered as someone who was able to help others and be a voice for people who couldn’t be heard.

必须要活得很深刻，才能找到真相。

我现在确信理论物理学实际上是哲学。

追求知识是一场没有终点的旅程，每一次发现都为新的奥秘打开了大门。