Design is really a special case of problem solving. One wants to bring about a desired state of affairs. Occasionally one wants to remedy some fault … - Edward de Bono

Rightness is what matters in vertical thinking. Richness is what matters in lateral thinking. Vertical thinking selects a pathway by excluding other pathways. Lateral thinking does not select but seeks to open up other pathways. With vertical thinking one selects the most promising approach to a problem, the best way of looking at a situation. With lateral thinking one generates as many alternative approaches as one can.

I think there is a danger with young people of being dependent in the sense that they don't acquire any identity or self-image of themselves as thinkers. They just go and look it up or they just chat with someone. In other words, relying on something rather than saying: "Okay, I've got the information, how do I create value from it?"

Creative thinking — in terms of idea creativity — is not a mystical talent. It is a skill that can be practised and nurtured. You can never tell how a policy has been reached just by looking at the end result. Some people who have achieved a huge amount do not come across as impressive when you speak to them.