我不是为了钱或名声而打球，我打球是因为我爱网球。

使用程序证明四色定理不会改变数学-它只是表明该定理是一个世纪的挑战，对数学可能并不重要。

This is a group with many gifts. I'm sure one of your gifts is the gift of a smart and capable brain. I'm confident that's the case because admission is competitive and if there weren't some signs that you're clever， the dean of admission wouldn't have let you in.

Change starts with awareness, but it requires action to make a real difference.

成功就是能够从一个失败走向另一个失败而不丧失热情。

记忆是脆弱的，生命的空间如此短暂，转瞬即逝，我们永远无法看清事件之间的联系。