I've been a witness to unfairness in society all my life. To the conditions under which my mother worked all her life, working in an industrial weaving shed in the north of England. And it has been this feature of unfairness that has motivated me in all of my political thinking.

If someone says 'Give me one word of advice,' I say 'be fearless.' And knowing without any shadow of a doubt that what they have to give - who they are - is totally unique and not shared by anybody else. And to believe in that uniqueness. It took me decades before I developed courage as an actor.

I've often reflected on this in the past weeks as I've been following the presidential campaign: Very often, I thought it would have been great for both of these guys to sit down and be force-fed a couple of dozen episodes of Star Trek.

During the course of the seven years I played scenes with an oil slick, I played a scene with a grain of rice. Sometimes with indescribable creatures. I remember having a conversation with something which was simply a smell, that's all. It was part of our job.

What identifies an individual as a king is how other people behave towards him. All authority is assumed, and if other people don't accept your authority then you don't have it. Perhaps the critical thing to being a convincing figure of authority is actually not to try too hard.

When I'm meant to be standing in the wings, the only way to go is the ladies' toilets. It's the only time I've ever acted in the toilets.

So far as education is concerned, it has had a significant impact on a lot of young people who turn to science as a much more exciting and interesting study than they otherwise might have found, entirely as a result of becoming involved with Star Trek.