一个人的死亡是悲剧，数百万人的死亡是统计数字。

We have a responsibility to use our science to improve lives, not just to make profits.

I don't know if you know who you are until you lose who you are.?

The passions that incline men to peace are fear of death, desire of such things as are necessary to commodious living, and a hope by their industry to obtain them.

美国能源独立并不意味着孤立 - 我们仍然是全球市场的一部分。