The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

沉没成本

技术可以彻底改变水产养殖，但前提是我们以智慧和远见应用它。

CRISPR的潜力巨大，但我们必须负责任地使用它。

You build your life around what happens to you.

我们今天所做的将决定未来几个世纪的气候。