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the most famous composer in the world but was utterly miserable most of the time, and of the reasons was because he always overspent his income.This was Mozart.If Mozart couldn't get by with this kind of asinine conduct, I don't think you should try.

The only limit to our realization of tomorrow will be our doubts of today.

——《民族主義第一講》

數學的力量在于其抽象和概括的能力。