"Leadership is about bringing clarity, generating energy, and delivering success."

You don't have to be a mathematician to have a feel for numbers.

"When you do something best in life, you don’t really want to give that up – and for me it’s tennis."

Adaptability is crucial in an ever-changing global economy.

耐心是交易中的美德；不要急于做出决定。

The arithmetic of elliptic curves is a microcosm of the deeper structures in number theory.

I’m here. I’m not going anywhere. No matter what the injury – unless it’s completely debilitating – I’m going to be the same player I’ve always been. I’ll figure it out. I’ll make some tweaks, some changes, but I’m still coming.