Lu You, a famous poet in Southern Song Dynasty, was named Weng Fang. The collection of poems includes Selected Poems of Weinan, Jiannan Poems, Weng Fangci and so on. Lu You claimed to learn cursive Zhang Dian and running script Yang Fengning.
Lu You himself said that Zhang Xu, a master of cursive script in the Tang Dynasty, and Yang Ningshi, who studied cursive script in the Five Dynasties, saw that his calligraphy works did have the power of Yang Ningshi's cursive script, and his brushwork was natural, eclectic, fluent and natural, with obvious personal calligraphy style.