Open your mind up to things that have no connection with the problem you're trying to solve: subscribe to an unusual magazine; spend a morning at an elementary school; go to work two hours early; test drive an exotic car; attend a city council meeting; ...try an Indonesian recipe.
Roger von OechKnowledge is the stuff from which new ideas are made. Thus, the real key to being creative lies in what you do with your knowledge.
Roger von Oech