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自守形式的研究是數(shù)學(xué)思想統(tǒng)一性的反映。

I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.

Part of what you must learn is how to handle mistakes and new facts that change the odds.Life, in part, is like a poker game wherein you have to learn to quit sometimes when holding a much-loved hand.

對中國國民黨同志共勉，1920年1月1日