成功辨识的关键是找到一个尽可能简单但不过于简单的模型。
Der Mensch ist ein Wesen, das immer wieder neu anfängt.
The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.
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,其中一些中子再次有效地产生裂变。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'