Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
A building is not just a place to be, but a way to see.
外交的艺术就是了解别人想要什么,然后找到办法说服他们你可以帮助他们得到它。