(...) being right all the time acquires a huge importance in education, and there is this terror of being wrong. The ego is so tied to being right that later on in life you are reluctant to accept that you are ever wrong, because you are defending not the idea but your self-esteem. (...) this terror of being wrong means that people have enormous difficulties in changing ideas.
Edward de BonoThe simple process of focusing on things that are normally taken for granted is a powerful source of creativity.
Edward de BonoIt's always amazed me how little attention philosophers, psychologists, or anyone else actually has paid to humor.
Edward de BonoMy thinking was taught to tribes in South Africa like the Zulus and Xhosas. At the time there were about 210 fights breaking out among them every month, but after they listened to my lessons, this fell to just four.
Edward de Bono