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But I do not for a moment believe that his greatness is in his status as a thinker: even less, that the poet and the thinker are indissociable.
Well, de Bono suggested that to solve a problem, the thinker should relate the problem at hand to a random input, such as a word chosen by chance in a dictionary, and then see if he can, by connecting the two, open up a new approach to the situation.
But with the dawn of reason the thinker has to justify his faith; to convince himself that life is sincere, that there is worth-whileness in being, or in seeking to be; that there is order in creation, laws which can be discovered, processes which can be applied.