《致全国学农工商通电》（1924年4月12日）
记忆可以使一件事看起来比实际更多。
科学不仅仅是关于事实；它是关于事实背后的故事。
I never think about the future. It comes soon enough.
I do not lack the courage to think a thought all the way through, and thus far I have encountered no thought that I have feared.
Beauty of whatever kind, in its supreme development, invariably excites the sensitive soul to tears.
任何形式的美，在其极致的发展中，总是会激起敏感的灵魂流泪。