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I don't think of myself as a celebrity. I think of myself as a singer who's been given a great opportunity.

I’m a fighter. I believe in the good and I believe that good will always triumph over evil.

我們總是在尋找分析數據的新方法。

There's not a liberal America and a conservative America - there's the United States of America.

物理學的美麗在于它能夠用幾個簡單的方程來描述宇宙。