The main criticism of Demosthenes's art, however, seems to have rested chiefly on his known reluctance to speak extempore; he often declined to comment on subjects he had not studied beforehand.
Con todo, a principal crítica que se fixo a Demóstenes parece que se apoiou principalmente na súa negativa a falar ex tempore; téndose negado a miúdo a comentar asuntos que non se estudou previamente.