过去不是负担，而是建立的基础。
The past is not a burden, but a foundation upon which to build.
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
"The stage is a place where time bends."
我们不是宇宙的独立观察者，而是其展开过程中的积极参与者。
You have to be able to laugh at yourself, or you'll never make it in this business.