Content within a tether half the range

I could assign it?—able to exchange

My ignorance (I felt) for knowledge, and

Idle because I could thus understand—

Could e'en have penetrated to its core

Our mortal mystery, yet—fool—forbore,

Preferred elaborating in the dark

My casual stuff, by any wretched spark

Born of my predecessors, though one stroke

Of mine had brought the flame forth! Mantua's yoke,