Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
漂亮的脸孔是给别人看的，而有智慧的头脑才是给自己利用的。
海洋保护区就像是鱼类种群的储蓄账户。
让我们去创造明天，而不是为昨天担忧。
A first sign of the beginning of understanding is the wish to die.