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

數(shù)學(xué)的語言是普遍的，超越了文化和語言的障礙。

Leadership means making tough decisions today that will pave the way for a better tomorrow.

Never use a credit card for credit. The only kind of credit， or debt， that is acceptable is debt to acquire something whose exchange value is extremely likely to increase， like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.

最好的傳記不僅講述一生，更揭示靈魂。