真理是永恒不变的。

我总是说，“如果你时刻准备着，就不需要临时准备。”

Mathematics is the science of order and patterns, and it is this order that allows us to understand the world around us.

领导力就是为更美好的明天做出艰难的决定。

孩子天生就能改进他们的行为，而且他们也喜欢这样。心理学家说，孩子必须游戏、因为借着游戏，孩子的发展才能更趋完善。

The starting point to end poverty is admitting: We’re all in the same boat.

The worth of a psychological theory is measured by its usefulness.

我情愿在火星上死去，而不是坠毁其上。