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.

智力不仅仅是推理的能力；它还包括在记忆中寻找相关材料并在需要时调动注意力的能力。

"Nothing is too high for a man to reach, but he must climb with care and confidence."

Every time you fail, you come one step closer to success.

写作就是面对内外的混乱，在无序中找到秩序。

It's all about trying to be a little less ignorant and a little less selfish every day.

做出伟大工作的唯一途径是热爱你所做的事。

I don’t think you should ever have to apologize for your excitement.