A short story...

Once, the famous writer Oscar Wilde, coming down for lunch, was asked how he had spent his morning.

"I was hard at work," he said.

"Oh?" he was asked,"Did you accomplish much?"

"Yes indeed," said Wilde. "I inserted a comma."

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At dinner he was asked again how he had spent the afternoon.

"More work," he said.

"Inserted another comma?" was the rather sardonic question.

"No," said Wilde, unperturbed. "I removed the one I had inserted this morning."