He also distinguished himself in literary creation , especially in writing seven character song lay . His establishment and refinement to the " Qiyan Gexing " is the most influential and meaningful .
张说在文学创作上舒卷自如，特别是七言歌行。其中，尤以对七言歌行的确立与完善而影响巨大、意义深远。
Qiyan