贪婪读书，终生学习，保持好奇，日日增慧。

制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子，其中一些中子将再次产生裂变。

The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

No matter what you’re going through, there’s a light at the end of the tunnel.