کافران اندر مری بوزینه طبع
آفتی آمد درون سینه طبع
آفتی آمد درون سینه طبع
In their stubborn defiance, disbelievers possess the nature of an ape, and an (evil) disposition has become a canker within their breasts.
Couplet 281 · The Story of the Greengrocer and the Parrot