Ideas of Good and Evil.
still believe that one cannot help believing him, as this scholar I know believes him, a vague thinker, who mixed occasional great poetry with a phantastic rhetoric, unless one compares such passages, and above all such passages as describe the liberty he praised, till one has discovered the system of belief that lay behind them. It should seem natural to find his thought full of subtlety, for Mrs. Shelley has told how he hesitated whether he should be a metaphysician or a poet, and has spoken of his 'huntings after the obscure' with regret, and said of that Prometheus Unbound, which so many for three generations have thought Political Justice put into rhyme, 'It requires a mind as subtle and penetrating as his own to understand the mystic meanings scattered throughout the poem. They elude the ordinary reader by their abstraction and delicacy of distinction, but they are far from vague. It was his design to write prose metaphysical essays on the Nature of Man, which would
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