The only limits in life are those you impose on yourself.

The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.

Every champion was once a contender who refused to give up.

使用COBOL会削弱思维；因此，教授它应被视为一种犯罪行为。

每次我写一本书，每次我面对那张空白页，我都确信我做不到。