成本不是为了计算而存在的，而是为了被降低而存在的。

世界不需要更多的消费，而是需要更好的消费。

The only thing standing between you and your goal is the story you keep telling yourself as to why you can't achieve it.

Every challenge is an opportunity in disguise—if you’re willing to look for it.

数学思想的真正考验是它能否激发更多的问题。

我们都是更大故事的碎片，等待着被讲述。