悔恨自己的错误，而且力求不再重蹈覆辙，这才是真正的悔悟。
如果一件事情对你很重要，即使成功的概率很小，你也应该去做。
我头上的星空和我心中的道德律。
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.
You have to believe in yourself when no one else does.
我相信，只要你站起来出发，生活就会为你敞开大门。