As other men, so I myself do muse,
Why in this sort I wrest invention so;
And why these giddy metaphors I use,
Leaving the path the greater part do go;
I will resolve you: I am lunatic!
Coleridge brings this up in the context of his thoughts on the faults of poets:
the characteristic fault of our elder poets is the reverse of that, which distinguishes too many of our more recent versifiers; the one conveying the most fantastic thoughts in the most correct and natural language; the other in the most fantastic language conveying the most trivial thoughts. The latter is a riddle of words; the former an enigma of thoughts.