The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

实验室是我的游乐场，分子是我的玩具。

La poesía es la única prueba concreta de la existencia del hombre.

对民主的最大威胁不是来自外部敌人，而是来自内部腐败和公民美德的丧失。

The role of business is to produce products and services that make people's lives better—while using fewer resources—and to act lawfully and with integrity.

破坏是创造的开始。