如果没有模型，我们在预测气候变化方面将如同在黑暗中摸索。
There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered.
长期而言，最严酷的大规模杀伤性武器是愚蠢。