There's a rule of writing: if everything is funny, nothing is funny; if everything is sad, nothing is sad. You want that contrast.

Follow your passion. The rest will attend to itself. If I can do it, anybody can do it. It's possible. And it's your turn. So go for it. It's never too late to become what you always wanted to be in the first place.

As kids, we spontaneously sing and dance and tell stories, and along the way, someone comes and says, 'No. You shouldn't be doing that.' And we slowly begin to unlearn our passions. I think you have to hold on to those things.

Superhero stories are kind of in my DNA from childhood on, so I think I'm genetically drawn to playing in the genre when the opportunity presents itself.

I keep waiting for a paradigm shift to happen that will let network and studio execs see that sci-fi is the same as any other genre in terms of how you approach it - logically, character-based, with challenging ideas and forward thinking - but I worry that it might never happen in my lifetime.

In every other science fiction series, humans are at the top of the food chain. In the 'Babylon 5' universe, they're in the bottom third.

To understand this whole area, you have to stop thinking like a viewer and start thinking like a network programming exec.