Working in Isaac's universe was more of a treat than a challenge.

Working in Isaac's universe was more of a treat than a challenge.

It's been a great place to get in touch with what people are really thinking. And to make contact with readers and other writers. Egalitarian, wide open, like the Wild West!

For years, even before 9/11, I've been trying to warn that the threat from amateur biolabs will ultimately turn out to be far more troublesome than leakage from military labs - perhaps even more costly and deadly than nuclear terrorism.

It's kind of a misnomer about science fiction that science fiction is about anything other than people. It's about people doing stuff, sometimes doing extraordinary stuff.

Of all the planets apart from Earth in our solar system, Mars is the most hospitable. Yeah. Right. Better keep my visit short. And yet, despite the discomfort, the danger, I love it here. I love coming back for these imaginary vacations. The sights are amazing.

Ray Bradbury is, for many reasons, the most influential writer in my life. Throughout our long friendship, Ray supplied not only his terrific stories but a grand model of what a writer could be, should be, and yet rarely is: brilliant and charming and accessible, willing to tolerate and to teach, happy to inspire but also to be inspired.

Science fiction works best when it stimulates debate.

We're told another large-scale terrorist attack is inevitable by those people who have committed so many resources to preventing it. They likely know what they're talking about.

Why do we capital-N Nerds love Mars so much? Because it's beautiful, it's tough, it's buried in our mythic, childhood memories. It's covered with human triumphs but also with sad stories of failure.

Altruism is masked self-interest. Aggressive self-interest is a masked urge to self-destruction.

All things will be ambiguous, for this is the curse of wisdom.

Apocalypse could not be repealed by the democratic process.

All things will be ambiguous for this is the curse of wisdom.

Roosevelt's magic lay in one facet of his personality: He knew how to take the risk. No other man in public life I knew could so readily take the challenge of the new.

To do the Ozzfest again would be great. I'd like to finish with a final Sabbath album. You always feel that it is still a challenge.

People are not perfect... very often the relationships that are strongest are those where people have worked through big crises, but they've had to work through them. So the challenge to us is to work through that.

Every single book is a challenge.

Critics are sentinels in the grand army of letters, stationed at the corners of newspapers and reviews, to challenge every new author.

The lopsided attitudes of college professors pose a serious challenge to learning because students are so susceptible to becoming lopsided sheep.

I really enjoy comedy. It's a real challenge.

I had a hard time with that hockey. I hadn't grown up skating, so that was my biggest challenge. We worked on it and worked on it. But then when we first shot it, it was so hard for me.

The challenge is to practice politics as the art of making what appears to be impossible, possible.

Change can either challenge or threaten us. Your beliefs pave your way to success or block you.

My greatest challenge has been to change the mindset of people. Mindsets play strange tricks on us. We see things the way our minds have instructed our eyes to see.

I'd say that it's important for music to be there that gives you a challenge, that rearranges things in your head.

I like good stories. Quality products and character are what's important. Even if the script isn't that strong, if I challenge myself with a great character, I'll go for it.

I tend to arrive in the rehearsal process with very strongly developed ideas about what I want to do. But I don't like those ideas to be things that are not subject to change, or subject to development, or subject to challenge.

I'm not looking to set a standard... but, I believe I have offered a challenge to others with my work.

If you live a life of make-believe, your life isn't worth anything until you do something that does challenge your reality. And to me, sailing the open ocean is a real challenge, because it's life or death.

And, I'd never done Tennessee Williams, and I had done Broadway musicals, so it was a challenge.

When you remove the risk, you remove the challenge. When you remove the challenge, you wither on the vine.

After Land I wanted to continue exploring the theme but I needed a new challenge so turned to colour. I explored Bradford and produced a series of urban landscapes that I liked, but because Land had made such an impact on the general public my colour work wasn't reviewed.

The worlds I paint leave a lot to engage the imagination by hinting at what lies beyond the four edges of the painting. I think getting beyond the four edges of an opportunity or challenge is one of the basic skills you need in business.

For me, it's a bigger challenge, it's much harder to do and much more rewarding to do well, then just to think up stuff of your own, hit or miss, because you've got to see to it that you don't torpedo any of his punch lines.

This same habitual blindness to spiritual, substantive dimensions of every significant challenge continues to handicap Hollywood.

Every artist has to grow, and has to challenge themselves with a new form of expression.

The next challenge for Christianity is to remind Europeans that we are called to seek the truth.

Give yourself an even greater challenge than the one you are trying to master and you will develop the powers necessary to overcome the original difficulty.

The biggest challenge has been simulating a tornado with wind machines and dirt and debris. Right when you walk on the set, you feel the energy of a tornado. But the hardest thing is trying to get dialogue out in all of that.

I look at raising funds for The Perlman Music Program as a challenge and as a way to provide opportunities for people who care about the future of classical music.

My father instilled in me the attitude of prevailing. If there's a challenge, go for it. If there's a wall to break down, break it down.

The challenge in working in politics, particularly if you're working for a political party, is that everyone's a messenger.

People should not be imprisoned without having the ability to challenge the legality of that imprisonment.

Every Teen Challenge ministry is responsible for raising its own finances, but we assist these works with finances, prayer and counseling, especially overseas in areas such as Siberia, Africa, South America.

It took me about 12 years to reach my million-word mark. The challenge now is to continue to challenge myself.

Roddick can challenge him as well if he serves big consistently for the entire match. If he does that, then he is tough to break even for a guy like Federer.

It was depressing, very depressing. I worried about how I would make a living. I didn't want to stay on the farm. It didn't offer the challenge I wanted and yet, without a college education, I felt that I was really out of luck.

The challenge we have in the war on terrorism is looking around for those pieces that matter and trying to fit them together.