Some men are like nails, very easily drawn; others however are more like rivets never drawn at all.

Some men are like nails, very easily drawn; others however are more like rivets never drawn at all.

有些人就像钉子，很容易拔出;而另一些则更像是从未画过的铆钉。

-- John Burroughs 美国博物学家巴勒斯