I think women rule the world and that no man has ever done anything that a woman either hasn't allowed him to do or encouraged him to do.
数学研究是具体与抽象之间不断的对话。
快速阅读的关键不是读得更快，而是理解得更快。
O mundo é um livro, e quem não viaja lê apenas uma página.
A woman can become a man’s friend only in the absence of passion between them.
