I think the greatest challenge in environmentalism and the most rewarding challenge is trying to figure out how humans can meet their needs while protecting the environment.

I used to like writing for comedians - I enjoyed the challenge of making other people funny.

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 certainly want campaign finance reform. I just wish this would do it in a way that would stand up to a constitutional challenge.

Anytime you play a finalist it's going to be a challenge.

I try to not get to the point where one is making wallpaper, or simply painting money. I want to make sure that I am at least trying to weigh myself down, that there's a challenge each time.

Once my doctor began treating my kidney disease, my greatest challenge was the constant exhaustion. Fortunately, my doctor explained that anemia was causing my exhaustion and that people with serious illnesses, like kidney disease, may be at increased risk for anemia.

I'm just looking as always for something that's stimulating and I hope to find a good story that's a challenge, whether it's big or small. Or that it finds me. I don't have like a career plan. Maybe I should, but I don't.

Now a great debate has been born. The thesis is Democratic Socialism. The antithesis is free-market capitalism. The Obama Democrats have posed the challenge. It is now up to the Republicans to pick it up and fight along these lines.

We have to remember that Dr. King was not an idle dreamer. Dr. King was a man of action. If Dr. King were here, he would challenge us and exhort us.

It's hard to make something collaboratively. That's the challenge. Sometimes you're successful.

I used to not back down from a challenge.

My biggest challenge is trust, and really believing that trust, in letting things just happen personally and professionally and trust with myself. But I'm getting better at it.

I think the challenge is going out in front of a paying audience with absolutely nothing and trying to entertain them for two hours. Thankfully, I only think about that right before we go on, and then once we're out there, everything's fine.

We need strong public health institutions to respond to any challenge. We need to deal with critical infrastructure. The reality is that very little money has flowed to communities to help our first responders; to help our hospitals; to help the public health infrastructure.