"Reading is like writing" means that only through reading and extensive reading can reading be put into practice and used freely, just like God helps.
This content expresses the Tang Dynasty poet Du Fu's "Twenty-two Rhymes for Wei", describes the author's own talent and life ambition, pours out the embarrassing situation of frustrated official career and poor life, and attacks the dark social and political reality at that time. The whole poem is an important poem of Du Fu's self-narrative life, which expresses his mind directly and makes a generous statement.