如果我们现在不采取行动，下一代将继承一个资源更少、挑战更大的世界。

Love is not only a sentiment, it is an art.

The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.

I don’t rap for the money, I rap for the love.

除非你相信对世界的知识以及由此产生的力量对人类具有内在价值，否则你不可能成为科学家。