It seems that I must bid the Muse to pack, / Choose Plato and Plotinus for a friend / Until imagination, ear and eye, / Can be content with argument and deal / In abstract things; or be derided by / A sort of battered kettle at the heel.
Whenever a person strives, by the help of dialectic, to start in pursuit of every reality by a simple process of reason, independent of all sensuous information - never flinching, until by an act of the pure intelligence he has grasped the real nature of good - he arrives at the very end of the intellectual world.
Plato is philosophy, and philosophy, Plato,--at once the glory and the shame of mankind, since neither Saxon nor Roman have availed to add any idea to his categories.
The supreme question about a work of art is out of how deep a life does it spring. Paintings of Moreau are paintings of ideas. The deepest poetry of Shelley, the words of Hamlet bring our mind into contact with the eternal wisdom; Plato's world of ideas. All the rest is the speculation of schoolboys for schoolboys.