数学之美在于它能够将复杂的事物简化。

And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.

The key to successful investing is to have a strong understanding of the fundamentals, a disciplined approach, and a clear understanding of the market.

I'm only rich because I know when I'm wrong... I basically have survived by recognizing my mistakes.