在数学中，提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
To help people save more, make saving the default option.
I'm not a trend. I'm an icon.
Limiting beliefs are the prisons of the mind, and learning is the key to freedom.
最可怕的事情就是不容忍的乌托邦。
The goal of the future is full unemployment, so we can play.