快乐唔系拥有得多，而系计较得少。

心理与物理之间的界限并不像我们通常认为的那样清晰。

Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands – it’s the upstairs that counts.

"Success comes from empowering people to think and act like owners."

We are survival machines – robot vehicles blindly programmed to preserve the selfish molecules known as genes.

要理解他人，必须先理解自己。