3 Metaphors for enigma

The one enigma of their criticism is the respect that they joined in paying to the witty, genial, shallow, worldly, musical Tom Moore.

"An enigma or riddle is also a species of allegory.

are questions which he constantly asks himself; and his greatest enigmas are the smiling faces of habitual industry, stimulated by the wants of the day, or fears for the future.

3 Metaphors for  enigma