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.

数学的乐趣在于发现模式并理解它们的含义。

The true measure of success is not wealth, but the impact you have on others.

"Books say: She did this because. Life says: She did this. Books are where things are explained to you; life is where things aren't. I'm not surprised some people prefer books."

可持续性不是一种趋势，而是食品生产的未来。

数学的美只向更有耐心的追随者展示。