You can analyse the past, but you need to design the future. That is the difference between suffering the future and enjoying it.
Edward de BonoIt is better to have enough ideas for some of them to be wrong, than to be always right by having no ideas at all.
Edward de BonoRemoving the faults in a stage-coach may produce a perfect stage-coach, but it is unlikely to produce the first motor car.
Edward de BonoAn expert is someone who has succeeded in making decisions and judgements simpler through knowing what to pay attention to and what to ignore.
Edward de Bono