《汉书·志·艺文志》
是说能够触景生情发为文辞，才智出众可与共商大事者为大夫。
言感物造耑而，材知深美，可与图事，故可以为列大夫也。
That is to say, those who can be inspired by the scene and create literary works, and those who are outstanding in intelligence can discuss major events with them as officials.