I keep begging myself to stop, and I keep playing, and this gap, this contradiction between what I want to do and what I actually do, feels like the core of my life

I go to New York City, the Tournament of Champions, a significant milestone because it’s a clash of the top players in the world. Once more I square off against Chang, who’s developed a bad habit since we last met. Every time he beats someone, he points to the sky. He thanks God — credits God — for the win, which offends me. That God should take sides in a tennis match, that God should side against me, that God should be in Chang’s box, feels ludicrous and insulting. I beat Chang and savor every blasphemous stroke.

Our best intentions are often thwarted by external forces — forces that we ourselves set in motion long ago. Decisions, especially bad ones, create their own kind of momentum, and momentum can be a bitch to stop, as every athlete knows.

Tennis is the sport in which you talk to yourself. No athletes talk to themselves like tennis players. Pitchers, golfers, goalkeepers, they mutter to themselves, of course, but tennis players talk to themselves — and answer. In the heat of a match, tennis players look like lunatics in a public square, ranting and swearing and conducting Lincoln-Douglas debates with their alter egos. Why? Because tennis is so damned lonely. Only boxers can understand the loneliness of tennis players — and yet boxers have their corner men and managers. Even a boxer’s opponent provides a kind of companionship, someone he can grapple with and grunt at. In tennis you stand face-to-face with the enemy, trade blows with him, but never touch him or talk to him, or anyone else. The rules forbid a tennis player from even talking to his coach while on the court. People sometimes mention the track-and-field runner as a comparably lonely figure, but I have to laugh. At least the runner can feel and smell his opponents. They’re inches away. In tennis you’re on an island. Of all the games men and women play, tennis is the closest to solitary confinement, which inevitably leads to self-talk, and for me the self-talk starts here in the afternoon shower. This is when I begin to say things to myself, crazy things, over and over, until I believe them. For instance, that a quasi-cripple can compete at the U.S. Open. That a thirty-six-year-old man can beat an opponent just entering his prime. I’ve won 869 matches in my career, fifth on the all-time list, and many were won during the afternoon shower.

Soon the pain felt wonderful, almost sweet, because it was the kind that you can tell precedes relief. But maybe all pain is like that.

Fu davvero una grande cosa per me, perché il tennis è uno sport così solitario ed essere in grado di giocare per qualcun altro, per qualcos'altro, per qualcosa più grande di te ma comunque in relazione con te, è un grande senso di soddisfazione... e per me giocare per il mio Paese e, ancor più importante, giocare per realizzare ciò che mio padre aveva sperato e che non era riuscito a realizzare nella sua esperienza olimpica... sentivo che stavo giocando per qualcosa più grande di me e l'avere lui lì era parte di questo.

Remember this. Hold on to this. This is the only perfection there is, the perfection of helping others. This is the only thing we can do that has any lasting value or meaning. This is why we’re here. To make each other feel safe.

some people are thermometers, some are thermostats. You’re a thermostat. You don’t register the temperature in a room, you change it.

He says nothing. Not because he disagrees, or disapproves, but because he’s crying. Faintly I hear my father sniffling and wiping away tears, and I know he’s proud, just incapable of expressing it. I can’t fault the man for not knowing how to say what’s in his heart. It’s the family curse.