孩子是最好的批评家，因为他们诚实而直接。

历史不仅仅是发生了什么，而是我们记得什么以及我们如何记得它。

Mathematics is the art of asking the right questions and then finding their answers.

The only reason for time is so that everything doesn't happen at once.

We tend to overestimate what we can do in a day， and underestimate what we can achieve in a decade. Miraculous things can be accomplished if you give it ten years. A long game will compound small gains to overcome even big mistakes.