We can understand art as a process of bringing something into the world that was not there before, it can be an artifact but it can also be an idea. That process, Professor Elaine Scarry calls a fragment of world alteration, and so if we can alter the world in fragments, she says, "just think what can be imagined together, what might be possible in community: a total reinvention of the world."
It is wisest and best to fix our attention on the beautiful and the good, and dwell as little as possible on the evil and false...