The true adepts are those who have mastered a certain "art" of homesickness, which is both individual, and shared in common. When applied to writing it is a craft with almost magical effect.
善於思鄉的人，講究的是一種思鄉的藝術，也可以簡稱為思鄉術；思鄉術的運用，見仁見智，並且可以觸類旁通。