所有事情都是可能的，直到它们被证明是不可能的，甚至不可能的事情也可能只是目前如此。
All things are possible until they are proved impossible and even the impossible may only be so, as of now.
A man is a dangerous thing, a man who has nothing to lose is even more dangerous.
学校必须代表当下的生活——对孩子来说，这种生活与他在家庭、邻里或操场上所进行的生活一样真实和重要。
The key to success in business is not just to satisfy customers but to exceed their expectations.