The only way to do great work is to love what you do.

I'm not afraid to fail. I'm not afraid to take risks.

There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.

最优货币区是指能够以最小的实际经济干扰来稳定就业和价格的区域。