Dr Seuss’s editors bet him he couldn’t write a book with a limit of only fifty different words. Dr Seuss won the bet and in the process produced one of the highest-selling children’s books of all time Green Eggs and Ham. Van Gogh used a maximum of six colours when waiting. Picasso focused on one colour during his Blue Period. They imposed these limitations on themselves. They needed a framework, but it was their framework, one that suited them.
Excerpt from: The Art of Creative Thinking by Rod Judkins