This is a letter my father wrote me for Hanukkah because as you get older, it’s a miracle if anyone knows you well enough and cares enough to tell you something nice. Happy holidays.

A tennis match is a battlefield where anything can occur, and the person on the other side of the net is doing everything possible to make your life miserable. So it's your job to keep your side of the net a sanctuary.

My girlfriend is my tennis coach. Although this leads to some confrontation every once in a while, it's quite a unique experience because tennis pushes you to your mental limits, and going the distance with someone you love is a hell of a ride.

You can change your life's purpose to change how you think because your purpose is like a compass for the brain. Your daydreams will start to form around your inner desires.

Your value system is the most important thing about you as a person. If you value money, you will work hard and make a lot of money. But you might also take shortcuts in your life.

I’ve felt like an artist in a couple of tennis matches. The court felt like a stage, and the opponent was more of a puppet. My job was to try different things and see where I could get the appropriate reaction.