We must be free not because we claim freedom, but because we practice it.

人类活动正在成为一种强大的地质力量。

我们开采的每一块石头都诉说着坚持与精确的故事。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

预测未来的最好方式就是创造未来。

"The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter."

让男孩们表现良好的最好方法是让他们对有价值的事情保持兴趣。