每个数学问题都有解决方案，但并非每个解决方案都显而易见。
真相往往存在于词语之间的空白。
在真实与不真实之间，在真实与虚假之间，没有严格的区别。
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.