Classic Poem

My lyric pen is palsied when
Some sin is heavy on my soul,
When conscience, dun as murky night,
Rebels against my wrong of right,
Proclaims me traitor in the fight,
And all unworthy of the goal,
Some demon daunts my lyric pen.

My lyric pen is swiftest when
A light illumineth my heart,
Some sense serene of duty done,
Some noble enterprise begun,
A foe forgiven, battle won;
Oh, then with an immortal art
An angel speeds my lyric pen.