The principal mark of genius is not perfection but originality, the opening of new frontiers. - Arthur Koestler
The more original a discovery, the more obvious it seems afterwards. - Arthur Koestler
God seems to have left the receiver off the hook and time is running out. - Arthur Koestler
We cannot think unless we are insane. - Arthur Koestler
Solitary confinement is rock bottom, it’s absolute unfreedom. - Arthur Koestler