我们不是从祖先那里继承了地球;我们是从子孙那里借来的。这个真理指导着我们做出的每一个决定。
Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.
The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.
Business opportunities are like buses, there's always another one coming.