The soundest argument will produce no more conviction in an empty head than the most superficial declamation; a feather and a guinea fall with equal velocity in a vacuum.
在一个头脑空空的人看来，最合理的论据也不会比最肤浅的说教更令人信服;羽毛和几内亚在真空中以同样的速度落下。
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Argument