求学之心思，皆以利权为目的，及目的达到，由是用其智识剥害民权，助桀为虐。是学问反为贼民贼国之根由。
——〈在北京湖广会馆学界欢迎会的演说〉，1912年8月30日
You have to fall in love with the process of becoming great.
你不能害怕失败，这是你成功的唯一途径。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
Loneliness is not lack of company, loneliness is lack of purpose.
在济贫院这个只有穷人和无家可归的人待的地方，死亡毕竟是一件非常平常的事。