You have enemies? Good. That means you've stood up for something, sometime in your life.

When you’re good at something, make that everything.

The mind is the most important thing in tennis.

你越努力，就越幸运。

The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was.