A miner's safety should never be measured in cost-benefit analyses.

种树的最佳时间是20年前，第二好的时间是现在。

写作是探索人类关系复杂性的一种方式。

I'm sexy and I know it

Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.

心灵是基本过程的镶嵌体。