Being able to do what you love for a living is a blessing.
时间是一条既向前流又向后流的河流。
大海记得陆地遗忘的东西。
The most important tool in survival is not a knife or a fire starter. It’s your will to live.
没有事实,只有解释。
The process of mathematical discovery is not about reaching a destination, but about the journey itself.