sentences:  At this time, he wrote the poem ""Açların Gözbebekleri"" ("Pupils of the Hungry"), which introduced free verse into the Turkish language for, essentially, the first time.Much of Nâzım Hikmet's poetry subsequent to this breakthrough would continue to be written in free verse, though his work exerted little influence for some time due largely to censorship of his work owing to his Communist political stance, which also led to his spending several years in prison.Over time, in such books as "Simavne Kadısı Oğlu Şeyh Bedreddin Destanı" (""The Epic of Shaykh Bedreddin, Son of Judge Simavne"", 1936) and "Memleketimden İnsan Manzaraları" (""Human Landscapes from My Country"", 1939), he developed a voice simultaneously proclamatory and subtle.