The real challenge is not in solving the equations, but in understanding what the solutions mean.

I'm not going to change who I am because of what people say.

Trust me: There is no “them”.

I like to be a free spirit. Some don’t like that, but that’s the way I am.

对冲低油价的最佳方法是降低盈亏平衡成本。

诚信是企业立足的根本，失去诚信就失去一切。