"The world is full of obvious things which nobody by any chance ever observes."

在数学中，提出问题的艺术必须比解决问题更有价值。

If you're not listening to your customers, you're already falling behind.

Love is not enough. It has to be tended, like a fire.

所以勇往直前吧。跌倒吧。你会从地上看到一个不同的世界。