人は、失敗から学ぶものだ。

活得足够长以超越你可能获得的任何怨恨感是值得的。

对心灵的研究必须价值中立。

我不是榜样，我只是我自己。

强者的权力除了建立在人民的意见和信仰之上外，别无基础。

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.