宇宙不仅比我们想象的更奇怪,而且比我们能够想象的更奇怪。
——〈临时大总统誓词〉,1912年1月1日
The only way to tell the truth is to speak without fear.
人生最难学的是该过哪座桥,该烧哪座桥。
The study of mathematics is like air or water to the development of science.
All my life through, the new sights of Nature made me rejoice like a child.