Shadwell 's poetry was certainly not of the same standard as Jonson 's .
It is possible that Dryden wearied of Shadwell 's argument that Dryden undervalued Jonson .
Shadwell 's poetry was certainly not of the same standard as Jonson 's , and it is possible that Dryden wearied of Shadwell 's argument that Dryden undervalued Jonson .