我永远不想回头看时说我可以做得更多。

真相很少是纯粹的，也从来不是简单的。

I think the best actors are the ones who are willing to take risks and not be afraid to fail.

Forgiveness to the injured does belong; but they ne'er pardon who have done wrong.

《在北京五族共和合进会与西北协进会的演说》，1912年9月3日。

物理学家是一位探险家，他不满足于停留在已知世界的边界内。