Nothing is so contagious as example; and we never do any great good or evil which does not produce its like.

Nothing is so contagious as example; and we never do any great good or evil which does not produce its like.

没有什么比例子更具有传染性;我们所做的任何伟大的善举或恶行，都能产生类似的结果。

-- Francois VI, Duc De La Rochefoucauld 弗朗索瓦六世，罗切福科公爵