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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.

成功的最好方法是冒險。

The most sustainable farm is the one that remains profitable year after year.

Liberty means responsibility. That is why most men dread it.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

明明可以享受快樂卻不去把握，為什么要自尋煩惱呢？