Oscar Wilde (post #2) and Quotations: How did he say enough clever things to fill whole books?

There are many books of quotations published. Many people are quoted. But there are relatively few people who have had books published that include only their quotations. One such person is Oscar Wilde.

Wilde is known for his numerous clever remarks. I wonder how he produced so many of them. Just like I have always wondered how novelists write novels. And since I found that novelists don’t create characters in any ordinary sense, I wonder if something extraordinary is involved when someone like Wilde produces such an extraordinary number of clever remarks.

Theoretically, it would be possible for a novelist to methodically and mechanistically create characters. But in this blog, I have quoted novelists about how they get their characters, and that is not how they do it. And since I found that multiple personality is involved, I now wonder if Wilde had one or more alternate personalities who were dedicated to seeing things in contrary or paradoxical ways.

When writers write things in quantity and quality that the average person couldn’t write, I suspect that their thought process might be different from the average person’s. What do you think?