Always be grateful for what you have.
永远对你所拥有的心怀感激。
The deepest insights in mathematics often come from the most abstract theories.
Models can lower your risk…….. It reduces the daily aggravation. With old-fashioned stock picking: “One day you feel like a hero. The next day you feel like a goat. Either way， most of the time it’s just luck. “We don’t override the models.
The worst thing in the world that can happen to you if you’re an engineer that has given his life to develop something is for someone to just rip it off.
音乐和文字是同一精神的两翼。
The darker the past, the brighter the future.