The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
The ground floor is where the city and the building meet - it's the most important level.
The dead are never far from us. They’re in our hearts and on our minds and all around us.
只要是利益他人的事情，就要坚持做下去；只要是不利于别人的事情，就要马上停止不做。
牺牲自由以换取安全（可指生活保障）的人，不配有自由和安全。
预测未来的最好方法就是创造未来。
Being powerful is like being a lady. If you have to tell people you are, you aren't.
真正的领导力意味着帮助他人变得比他们自己认为的更好。