Perspective is worth 80 IQ points.

I think it's very important to have a feedback loop， where you're constantly thinking about what you've done and how you could be doing it better.I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

永远不要把运动和行动混为一谈。

Success does not consist in never making mistakes but in never making the same one a second time.