All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

所有的真理都经历了三个阶段:先是被嘲笑,然后被激烈反对,最后被认为不言自明,本就如此。

叔本华(Arthur Schopenhauer),1788-1860,德国哲学家。