"Creativity is a type of learning process where the teacher and pupil are located in the same individual.

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— Arthur Koestler

"The more original a discovery, the more obvious it seems afterwards."
— Arthur Koestler

"Show us not the aim without the way.
For ends and means on earth are so entangled
That changing one, you change the other too;
Each different path brings other ends in view"
— Arthur Koestler