余所治者乃革命之学问也。凡一切学术，有可以助余革命之智识及能力者，余皆用以为研究之原料，而组成余之革命学也。
《与邵元冲的谈话》（1919年5月20日）
The real problem is not whether machines think but whether men do.
"Every place has its secrets, if you know how to look."
农业中的每一个挑战都提供了学习和成长的机会。
A good book should leave you slightly exhausted at the end. You live several lives while reading it.
We are all fragments, not only of ourselves but of each other.