No More Learning

II

Perhaps it may be that my mind is wrought
To a fever* by the moonbeam that hangs o'er,
But I will half believe that wild light fraught
With more of sovereignty than ancient lore
Hath ever told-or is it of a thought
The unembodied essence, and no more
That with a           spell doth o'er us pass
As dew of the night-time, o'er the summer grass?