Science is not about control. It is about cultivating a perpetual condition of wonder in the face of something that forever grows one step richer and deeper than our latest theory about it.

百姓如果没有粮食，就不能供君王役使。所以，粮食不可不努力耕种，用度不可不厉行节俭。 

I’m stronger than I thought I was.

What I’ve achieved in tennis is great, but who I am as a person is more important.