不作恶。

He might be...a bit on the slow side, but my boy Forrest is going to get the same opportunities as everyone else. He's not going to some special school to learn how to retread tires. We're talking about five little points here. There must be something can be done.

By used books. They have the same words as the new ones. Also libraries.

解释：依据自己的能力去做事，把握最佳时机采取行动。