Now, we all think that Shelley obviously is the great romantic poet that he was; many of us tend to forget that he wrote some perfectly wonderful essays, too, and the most well-remembered essay is one called "" A Defence of Poetry. "" Now, it's about five, six, seven, eight pages long, and it gets kind of deep and difficult after about the third page, but somewhere on the second page he begins talking about the notion that he calls "" moral imagination. "" And here's what he says, roughly translated: A man — generic man — a man, to be greatly good, must imagine clearly.