Waste is merely a resource we haven’t learned to value yet.

All money is a matter of belief.

The biggest lie we tell ourselves is “I don‘t need to write this down because I will remember it.”

"Tennis is a sport where you have to be strong mentally and physically, but the mental part is even more important."

卒：同“猝”，指突然事变。这两句大意是：心中没有预先考虑应对事变的方法，就不能应付突然变故。

The world is a mirror, and it reflects our ugliness.