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The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

性能的關鍵在于優雅，而不是大量的特殊情況。

真理，通過理性思考和觀察自然得出。

平時多流汗，戰時少流血。

It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.