One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.

自由的代价是愿意在任何地方、任何时间、以完全不计后果的方式进行突然的战斗。

The process of doing mathematics is more important than the result.

——大总统誓词，1912年1月1日

The mind is not a passive mirror of the world but an active participant in constructing reality.

Every observation brings us closer to answering fundamental questions about the cosmos.