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.

Travel has been sold to us as the ultimate form of culture and the only way to experience life differently for a while. Yet most people I know simply use it to mask their lack of core purpose or passion in their own life. 

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.