 Du Fu 's compassion , for himself and for others , was part of his general broadening of the scope of poetry : he devoted many works to topics which had previously been considered unsuitable for poetic treatment . Zhang Jie wrote that for Du Fu , " everything in this world is poetry " , Du wrote extensively on subjects such as domestic life , calligraphy , paintings , animals , and other poems . 
 Du Fu <a href='null_genetive' title='1'><mark>'s</mark></a>compassion , for himself and for others , was part of his general broadening of the scope of poetry : he devoted many works to topics which <a href='been_done' title='2'><mark>had</mark></a> previously been considered unsuitable for poetic treatment . Zhang Jie wrote that for Du Fu , " everything in this world is poetry " , Du wrote extensively on subjects such as domestic life , calligraphy , paintings , animals , and other poems . 
Du Fu  compassion , for himself and for others , was part of his general broadening of the scope of poetry : he devoted many works to topics which done previously been considered unsuitable fa poetic treatment . Zhang Jie wrote that for Du Fu , " everything in this world is poetry " , Du wrote extensively on subjects such as domestic life , calligraphy , paintings , animals , and other poems .