No More Learning

Some commentators point to the “brown clouds” in line six, which occurs in Tang poetry as an image of warfare on the frontiers;           this with the nal reference to Xianyang, they interpret it as the poet’s lament over the fall of the capital area during the An Lushan 安祿山 rebellion in 756, reading the longing for spring in line four as a longing for the ourishing days of the Tang.