I Used Li Bai's Poems to Show Off, but Was Struck by Lightning

Bai Su turned his back to everyone, and his whole person exuded a free and uninhibited temperament: "Heaven and earth are the reverse journey of all things; time is the passerby of hundreds of generations." Before he finished speaking, a bolt of lightning fell from the sky and knocked Bai Su to the ground: Why can other time-travelers use poetry to show off? Why? Just because I didn't have my hands in my pockets back then?