Like Hamlet with the king at the play, "If he but blench, I know my course!"
All these are manifestly characteristics of Hamlet, and Posthumus possesses no others.
It is all Hamlet over again, Hamlet wrought up to a higher pitch of intensity.
Evidently the time for classifying the creator of Hamlet is at hand.
If he were more of a "candle-holder" and onlooker, he would more ...