What is termed Sin is an essential element of progress. Without it the world would stagnate, or grow old, or become colorless. By its curiosity Sin increases the experience of the race. Through its intensified assertion of individualism it saves us from monotony of type. In its rejection of the current notions about morality, it is one with the higher ethics.
The 19thc hatred of Realism is Caliban's enraged reaction to seeing his own face in the mirror. The 19thc rejection of Romanticism is Caliban's fury at not seeing his face reflected in the mirror.
