However, it is quite remarkable that two poets producing the sanme kind of poetry at the same time and under the same circumstances have a different poetic output with regard to politeness and impudence. This may lead to the conclusion that the uncouthnessin the poetry of Jarir did not emerge from an external source: it was not derived from a certain vulgar genre of poetry that was widespread in the Umayyad era, and by which Jarir was deeply influenced. Otherwise, we might have expected the poetry of Ghassan to include at least a few such images as those used by his rival.