Never open the door to a lesser evil, for other and greater ones invariably slink in after it.

Never open the door to a lesser evil, for other and greater ones invariably slink in after it.

永远不要为较小的邪恶打开大门，因为较大的和较大的邪恶总是尾随其后。

-- Baltasar Gracián 巴尔塔萨尔·格雷西