Every revolutionary idea evokes three stages of reaction: 1. It’s completely impossible 2. It’s possible but not worth doing 3. I said it was a good idea all along.

Arthur C Clarke (1917 to 2008), sci-fi author, inventor and futurist

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus; they laughed at Fulton; they laughed at the Wright Brothers. But they also laughed at Bozo the Clown.

Carl Sagan (1934 – 1996), astronomer, astrochemist, author, popularizer of science

I tend to wake up at 7am and do half an hour of writing before having a cigarette and making a coffee. I feel that’s the most fertile hour for ideas, when you are close to dreaming. I always keep a notebook by my bed and bring it up here every day.

Will Self (1961- ), British novelist and journalist

Anecdotal evidence shows that the majority of people get their best ideas when they are off-guard and least expect it.

Guy Claxton, author of Hare Brain, Tortoise Mind: How Intelligence Increases When You Think Less