One of the best advertising people ever was Carl Ally.
He said the true creative person wants to be a know-it-all.
They want to know about all kinds of things: ancient history, nineteenth-century mathematics, modern manufacturing techniques, flower arranging, and lean hog futures.
Because they never know when these ideas might come together to form a new idea.
It may happen six minutes later or six years down the road, but they know it will happen.