世界之大我只要他世人之多我只爱她
[shì jiè zhī dà wŏ zhĭ yào tā shì rén zhī duō wŏ zhĭ ài tā]
In A Vast World Full of People, I Only Want Him/I Only Love Her emphasizes loyalty, dedication, and uniqueness of love, stating that despite the size of the world or the number of people it contains, only a single person holds the heart of the speaker.