Human kindness is like a defective tap, the first gush may be impressive but the stream soon dries up.

Human kindness is like a defective tap, the first gush may be impressive but the stream soon dries up.

人类的善良就像一个有缺陷的水龙头，第一次喷出的水可能令人印象深刻，但很快就干涸了。

-- P. D. James P·D·詹姆斯