The most expensive cost in free-to-play games is players' trust—once overdrawn, it can never be bought back.

"The best way to predict the future is to create it."

The questions we ask today will shape the solutions of tomorrow.

Letters are the biographer's gold mine; they reveal what official records conceal.

在一场较量中如果获胜变得太过重要，就应该改变规则，使较量变得更有趣。改变规则可以成为新的游戏。