When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.

对探究的自由必须没有任何障碍……科学中没有教条的位置。

The real measure of success is the number of experiments that can be crowded into 24 hours.

文章的精妙之处，如同造物主赋予万物，各自肖似其形，各自极尽其态。

我不想出名；我想在我做的事情上做到最好。