我们都有自己的时间机器。带我们回去的叫回忆，带我们前行的叫梦想。

To understand mathematics is to understand the fabric of reality.

The highest title which a man can write upon the page of history is his own name.

The task of psychology is to analyze the contents of consciousness into its elements.

科学家是真理的爱好者，仅仅因为对真理本身的热爱，无论它通向何方。