唐玄宗
In 742 CE, Emperor Xuanzong of Tang canonized the "Wenzi" as a Daoist scripture (along with the "Daode jing", "Zhuangzi", and "Liezi") honorifically called the "Tongxuan zhenjing" 通玄真經 "True Scripture of Understanding the Mysteries". The emperor posthumously styled Wenzi as the Tongxuan Zhenren 通玄真人 "True Man Who Understands the Mysteries".