对最多人的最大利益是衡量对与错的标准。

The world needs reliable energy, and coal still plays a critical role in providing it.

"Memory is a strange thing. It doesn't work as I thought it did. We are so foolishly constructed that we go through life arm in arm with our earliest memories, thinking they are the most recent."

"The only way to make sense out of change is to plunge into it, move with it, and join the dance."

Chemistry is the silent architect of our everyday lives.