Don't keep rewriting and polishing something if it isn't setting the world on fire: start something new instead and consider the earlier story a learning experience.

I watched 'Who' with a mixture of affection and exasperation through the eighties, always ready to cheer on the Doctor but seldom feeling that the series was playing to its strengths. Some of the adventures, revisited on DVD, turn out to be better than I remembered - others just as infuriating.

I've always loved far future SF, so it was more or less a given that I would one day want to write in that form.

I don't know why, but American sci-fi writers seem to focus on the near-future, which has given us Brits a clear run at the most fascinating.

I do want to emphasize that we've seen an explosion in the use of Google Maps and Google Earth for education. The earth is a special place. It is our home and it's why we're all here. And the ability to see what's really going on the earth, the good stuff and the bad stuff, at the level that you can, is phenomenal.

I was writing full time after quitting a job as a high school English teacher, and I hadn't been able to sell anything, and my bank account was down to zero, and all of my friends were like 'What are you doing in the basement, when are you going to get a real job?', and my parents thought I'd completely lost it.

The exploration of space: Be it by humans or robots, based on the best choice for the mission and the most efficient means to return the data and science sought. Most of the time, this will mean we send robots due to cost and danger. But sometimes, we will need the irreplaceable judgment and descriptive abilities of a person on the spot.

Listen, if the mayor wants to have a debate about education in this city, I got three words: bring it on.