No matter how good you get you can always get better, and that's the exciting part.

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

I don't do things for the response or the controversy. I just live my life.

The same things do not produce the same effects， though conjoined with the same subjects.

利润和可持续性必须齐头并进，缺一不可。