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勝利會帶來仇恨，被擊敗者生活在痛苦之中。和平的人放棄勝敗。

在數(shù)學(xué)中，提出問題的藝術(shù)必須比解決問題更有價值。

The next generation will judge us by what we leave in the water, not what we take out.

"We are all in the gutter, but some of us are looking at the stars."

驗證不僅僅是發(fā)現(xiàn)錯誤；它關(guān)乎理解系統(tǒng)為何以某種方式工作。