生活很艰难,亲爱的,但你也很坚强。
"To be human is to be unfinished, to be always becoming."
《与邹鲁的谈话》(1919年6月)
A multitude of bad ideas is necessary for one good idea.
"Happiness is holding someone in your arms and knowing you hold the whole world."
发现的道路很少是一条直线。