The universe will change if you bring up your children, in behavioristic fashion, to be unafraid.
如果你用行为主义的方式养育孩子，让他们无所畏惧，世界就会改变。
The future of global politics will be shaped by the competition between democratic and authoritarian systems.
每个数学问题都有解决方案，但并非每个解决方案都显而易见。
The function of freedom is to free someone else.
人生幸福的三大要素是：有事可做，有人可爱，有希望可期待。
Materials themselves are not important; what matters is how you use them.
Writing down one thing you are grateful for each day is the cheapest possible therapy ever.