Science should serve humanity, not the other way around.
把你的伤痛转化为智慧。
——《中国人之直言》(1920年4月3日)
"I am not a body, I am a word."
The time of life is limited and unchangeable, so it is necessary to use every minute efficiently. Not using it well is a waste.
生命中最美的事物是免费的。