• There are, first of all, two kinds of authors: those who write for the subject's sake, and those who write for writing's sake. ... The truth is that when an author begins to write for the sake of covering paper, he is cheating the reader; because he writes under the pretext that he has something to say.

    Arthur Schopenhauer (2015). “The Art of Literature: Top of Schopenhauer”, p.6, 谷月社