解释：人饿的时候，之所以不吃乌头毒药，是认为即使能填饱肚子，但是会马上死去。

The secret of being miserable is to have leisure to bother about whether you are happy or not.

Love is the most important thing in the world.

CRISPR is a tool, and like any tool, its impact depends on how we use it.

Diversity in thought leads to innovation in action.

History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.

以战争建立的帝国必须通过战争来维护自身。