我最好的年华是在50岁之后。年龄只是一个数字——重要的是你的态度。
I’ve had my best years after fifty. Age is just a number—it’s your attitude that counts. 
The most dangerous kind of waste is the waste we do not recognize.
Power is not a toy we give to children. It is a weapon we place in the hands of soldiers.
The key to performance is elegance, not battalions of special cases.
艺术是最高形式的希望。