Edward de Bono - Vertical Quotes

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At school the emphasis has traditionally always been on vertical thinking which is effective but incomplete. This selective type of thinking needs to be supplemented with the generative qualities of creative thinking. This is beginning to happen in some schools but even so creativity is usually treated as something desirable which is to be brought about by vague exhortation. There is no deliberate and practical procedure for bringing it about.

Edward de Bono
Some people are aware of another sort of thinking which…leads to those simple ideas that are obvious only after they have been thought of…the term 'lateral thinking' has been coined to describe this other sort of thinking; 'vertical thinking' is used to denote the conventional logical process.

Edward de Bono
Vertical thinking is selection by exclusion. One works within a frame of reference and throws out what is not relevant. With lateral thinking one realizes that a pattern cannot be restructured from within itself but only as the result of some outside influence. So one welcomes outside influences for their provocative action. The more irrelevant such influences are the more chance there is of altering the established pattern. To look only for things that are relevant means perpetuating the current pattern.

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.

Edward de Bono
With vertical thinking one may look for different approaches until one finds a promising one. With lateral thinking one goes on generating as many approaches as one can even after one has found a promising one. With vertical thinking one is trying to select the best approach but with lateral thinking one is generating different approaches for the sake of generating them.

Edward de Bono
The vertical thinker says: 'I know what I am looking for.' The lateral thinker says: 'I am looking but I won't know what I am looking for until I have found it.'

Edward de Bono