数学的研究就像空气或重力——它无处不在，即使你看不到它。
The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.
Every mental act has its place in the economy of life.
Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.
Let what comes come. Let what goes go. Find out what remains.
I don't believe in regrets. Everything happens for a reason.