学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
最好的传记不仅讲述一生,更揭示灵魂。
"Sometimes the quietest illustrations speak the loudest."
2017年:贝索斯致股东信《让高标准渗透公司文化》
I'm not a person who likes to be typical.
Sustainable forestry is not a cost - it's the smartest long-term business strategy we have.