我们都是普通人，但我们可以做非凡的事情。
The only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.
世界不是一个愿望工厂。
"Complexity theory teaches us that not all problems are created equal; some are inherently harder than others."
当老人们种下他们知道自己永远不会坐在其下的树时，社会就会变得伟大。
重要的是，你的队友必须知道你是站在他们这边的，你是真心希望他们成功的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.