The verse accomplishments of Tamburlaine are notably two: Marlowe gets into blank verse the melody of Spenser, and he gets a new driving power by reinforcing the sentence period against the line period. The rapid long sentence, running line into line, as in the famous soliloquies “Nature compounded of four elements” and “What is beauty, saith my sufferings, then?” marks the certain escape of blank verse from the rhymed couplet, and from the elegiac or rather pastoral note of Surrey, to which Tennyson returned. If you contrast these two soliloquies with the verse of Marlowe’s greatest contemporary, Kyd—by no means a despicable versifier—you see the importance of the innovation:
The one took sanctuary, and, being sent for out,
Was murdered in Southwark as he passed
To Greenwich, where the Lord Protector lay.
Black Will was burned in Flushing on a stage;
Green was hanged at Osbridge in Kent....
which is not really inferior to:
So these four abode
Within one house together; and as years
Went forward, Mary took another mate;