In one of these letters, a famous letter to his friend, Francesco Vettori a man named Francesco Vettori, he describes how he came to write his most famous book.

其中一封信，是写给他的一位知名友人，名为，他形容自己,如何写就其最著名的大作。

耶鲁公开课 - 政治哲学导论课程节选