To live is the rarest thing in the world. Most people exist, that is all.

Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.

我认为预测未来的最好方法就是创造未来。

我觉得布什总统根本没有为艾滋病做任何事。事实上，我都不能确定他会不会拼艾滋这个单词。