A proof tells us where to concentrate our doubts.
A strong brand is built on transparency and integrity.
最好的想法往往来自意想不到的地方——保持开放的心态。
临终前与诸同志谈话，1925年3月11日
I don't regret anything I've ever done in my life, any choice that I've made. But I'm consumed with regret for the things I didn't do.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful. But most people will die tomorrow night, so don't give up today.
Learning is not a passive process; it involves the active construction of knowledge.