"To write is to make a mark, to leave a trace, to say 'I was here.'"

The only way to survive is to keep moving forward.

——在黄埔军校开学礼演说，1924年6月16日

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.

它提醒我们要谨慎评估成功，不要低估运气的作用。

I'm not a history, I'm a mystery.

The unity of mathematics is not an illusion but a reality waiting to be uncovered.