解析：知道自己还有所不知，这是很高明的。不知道却自以为知道，这就是很糟糕的。

"Every role I take on is a new adventure, a new challenge. That's what keeps me going."

The secret of living is to own a convertible and a lake...If the sun is shining, you can rid around in your convertible and be happy...If it starts to rain, it won't spoil your day because you can just say, 'Oh, well, the rain will fill up my lake!'"”