cybeardjm, There's a famous story of Pablo Picasso.
He was enjoying a meal at a restaurant when a man interrupted him, handed him a napkin and asked:
“Could you sketch something for me? I'll pay. Name your price.”
Picasso took the napkin, pulled a charcoal pencil from his pocket and started sketching. Using only a few strokes, he drew a goat that was unmistakably a Picasso. He held it up for the man to see. The man smiled and reached to take the sketch. But Picasso withheld it.
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