When we fail to set boundaries and hold people accountable, we feel used and mistreated.

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.

最好的故事是那些让作家和读者同样惊讶的故事。

创新既需要勇气，也需要耐心。

数学的快乐来自于为理解而奋斗。