From
辛弃疾《
永遇乐·
京口北固亭怀古》(Xin Qiji, Yongyu Le: At Beigu Pavilion in Jingkou, Recalling Antiquity, 1205, Southern Song). Referring to
刘裕 (Liu Yu, founder of Liu Song, r. 420–422) who launched great northern campaigns from Jingkou:
想当年，
金戈铁马，
气吞万里如虎 (I think of those days — gold halberds and iron horses, a spirit that swallowed ten thousand li, like a tiger). Xin, a failed irredentist general-poet, is lamenting that the Southern Song has no Liu Yu to retake the lost north.
