Why bother painting anymore?

Bosie: I really don’t know why people bother painting portraits anymore. You can get a much better likeness with a photograph..

Robbie: But a photograph is just one moment in time, one gesture, one turn of the head. 

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Wilde: Yes, portraits are not likenesses Mr. Gray. Painters show the soul of the subject, the essence.

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(Excerpt from Wilde the movie)