“ In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far as it will go. 为了动摇一个假设,有时没有必要做任何事情,只需要把它推到极限。 Denis Diderot 狄德罗
“ Learning is not attained by chance, it must be sought for with ardor and diligence. 学习不是偶然获得的,必须用热情和勤奋去追求。 Abigail Adams 阿比盖尔·亚当斯