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在數(shù)學(xué)領(lǐng)域，每個問題都是發(fā)現(xiàn)新事物的機(jī)會。

In theory, there is no difference between theory and practice. But, in practice, there is.

He who sacrifices freedom for security deserves neither.

Courage in monetary policy is not the absence of fear but the judgment that something else is more important than fear.

我相信音樂有治愈和團(tuán)結(jié)人心的力量。