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.

In science, it is rare that a transformational change occurs during our lifetimes.

Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.

It is generally believed that our science is empirical and that we draw our concepts and our mathematical constructs from the empirical data. If this were the whole truth, we should, when entering into a new field, introduce only such quantities as can directly be observed, and formulate natural laws only by means of these quantities.

My whole life has been basically trying to find intelligent students or, you know, highly motivated students and giving them an opportunity to do good science.