最重要的决定是你对世界的态度。
The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.
On innovation: "I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out."
Mathematics is not a spectator sport. You have to get involved.
The only way to learn mathematics is to do mathematics.