The only limit to our realization of tomorrow is our doubts of today.

最高的目的是根本没有目的。这使人与自然的运作方式一致。

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The challenge of our time is to build an economy that works for everyone, not just the privileged few.

想让小孩子在旅行中表现良好，可以准备一袋他们喜欢的糖果，当他/她不乖时，就向窗外扔掉一块糖。