Tennis is a brutal sport. There are no draws. If you lose, you’re out. You have to be ready to accept that.
网球是一项残酷的运动。没有平局。如果你输了，你就出局了。你必须准备好接受这一点。
In mathematics, the simplest explanation is often the most profound.
算法的美不在于它们的复杂性，而在于它们的简洁和优雅。
"The past is a foreign country; they do things differently there."
The world is a great sea, and we are the sailors.
Light is the key to understanding the world.