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I was born in Africa.I came to California because it’s really where new technologies can be brought to fruition， and I don’t see a viable competitor.

A good scientist is like a detective, always looking for clues in the details.

The only way to be free is to constantly challenge authority and convention.

如果你相信自己能做到，我認(rèn)為沒有什么是不現(xiàn)實(shí)的。

歷史總是個(gè)人的。

藝術(shù)的目的是感動人心。

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.

The task must be made difficult, for only the difficult inspires the noble-hearted.