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Democracy is the worst form of government except for all those other forms that have been tried from time to time.

Success is a series of small victories.

心理學應闡明我們如何應對環境。

一切都可以從一個人身上奪走，除了一樣：人類最后的自由——在任何特定環境下選擇自己態度的能力。

Sustainability is not just a trend, it's our responsibility to the future.

預測未來的最好方法就是創造未來。