〈军人精神教育〉,在桂林对滇赣粤军的演说,1921年12月10日
现代物理学的挑战不仅在于理解宇宙,还在于理解我们在其中的位置。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
Limiting beliefs are the prisons of the mind, and learning is the key to freedom.
语言是我们思想的镜子。
Whatever must happen ultimately should happen immediately.
Never underestimate the power of a single idea to transform the world.