世界是一本书，不旅行的人只读了一页。
The world is a book, and those who do not travel read only one page.
Symmetry is a complexity-reducing concept (co-routines include subroutines); seek it everywhere.
What is broken can sometimes hold more meaning than what is whole.
——《中国人之直言》（1920年4月3日）
希望处于高官厚禄的人可以让贤，财物多的能够分给穷人。
If you’re not making mistakes, you’re not trying hard enough.
同性恋本身和异性恋一样有限制：理想应该是能够爱一个女人或一个男人；无论是谁，只要是一个人，没有恐惧、束缚或义务。