Arthur Koestler

"The prerequisite of originality is the art of forgetting, at the proper moment, what we know."

"Courage is never to let your actions be influenced by your fears."

"Courage is never to let your actions be influenced by your fears."

"Creative activity could be described as a type of learning process where teacher and pupil are located in the same individual."

"Nothing is more sad than the death of an illusion."

"Creative activity could be described as a type of learning process where teacher and pupil are located in the same individual."