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I always try to do something different, something that challenges me.

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.

數(shù)學(xué)不是關(guān)于數(shù)字、方程、計(jì)算或算法的：它是關(guān)于理解的。

You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you.

思考就是將自己限制在一個(gè)單一的思想中，有一天它會(huì)像世界天空中的一顆星星一樣靜止不動(dòng)。