A person who knows all the answers, has an opinion on everything, has a certainty backed up by rational argument, has very little possibility of further progress. Such a person is unlikely to walk away from a discussion with anything more than a reaffirmation of how right he or she has been all along.
Edward de BonoUnfortunately, our existing traditional thinking habits insist that you must attack something and show it to be bad before you can suggest a change. It is more difficult to acknowledge that something is excellent and then to ask for change because although it is excellent, it is not enough.
Edward de BonoThere is no doubt that creativity is the most important human resource of all. Without creativity, there would be no progress, and we would be forever repeating the same patterns.
Edward de BonoAlthough feelings are not supposed to intrude on business discussions, they do anyway - we just disguise them as logic.
Edward de Bono