My parents are the hardest-working people I ever knew: they always worked every day, all day; they had to come up with the solutions to make things work. And I think that work ethic, maybe stubbornness, single-mindedness, definitely played a role for me. I'm definitely thankful for my roots.

Bernie Sanders is making a big and potentially dangerous mistake with his continuing insistence on changes to the Democratic Party's rules and platform. I should know. As chairman of Al Gore's 2000 presidential campaign, I understand too well where such ideological stubbornness can lead.

I love my mother. My mother made sure, her stubbornness - she made sure we was going to eat. She made sure we had Christmases. That was my mother. My father wasn't there for that.

In a kidnapping, you leave behind a lot of your baggage, like arrogance and stubbornness.

A lot of my branding has come from stubbornness - I knew what I liked. I knew what I wanted to do.

My stubbornness of wanting this fighting career has saved me.

In 'The Girl Who Chased Away Sorrow,' part of the 'Dear America' series, I took my childhood bravery and stubbornness and put that at the core of the Navajo girl, Sarah Nita. It helped me to identify with her survival and to write about her courageous journey and that of her people.

I suppose you could say there is an in-built stubbornness to me.

My stubbornness helped me for the first half of my career; I had that real determination to do it my way - I know the best way. That helped me from a 14-year-old to 25 in getting me to where I got to.

Stubbornness is a positive quality of presidential leadership - if you're right about what you're stubborn about.

There's a fine line between stubbornness and the positive side of that, which is dogged determination.

Never let your persistence and passion turn into stubbornness and ignorance.

Good novel is a conjunction of many factors, the main of which is, without a doubt, hard work. There are many things behind a good novel, but in particular, there is a lot of work - a lot of patience, a lot of stubbornness, and a critical spirit.

Stubbornness and ignorance and determination are a very fine line from each other. I'm a very stubborn person, but not so stubborn that I can't learn new things and meet new people, but I have a one-track mind.

I make myself have energy. It's stubbornness in the face of cancer.

In the tech world, you can reel off great products in several ways. You can have the once-in-a-lifetime gut instincts of a Steve Jobs. You can have the brainiac coding skills of a Bill Gates, Larry Page, or Sergey Brin. Or, I learned, you can have the deep intellectual curiosity and stubbornness of a Jeff Bezos.

All the work I do is personal, so the good stuff and the bad stuff that you see in there is all good stuff and bad stuff that I have, and part of the journey, for me, has been to embrace these things that I find embarrassing about myself: my stubbornness, my ego, my maudlin-ness - these things that I see myself do, and I go, 'Oh, David, stop that!'

I do have trouble starting books. I have ideas that I have trouble starting to write. But I'm the kind of person who tends to finish everything she starts out of sheer stubbornness.

I think my stubbornness, hardheadedness and stupidity is what has allowed me to play for 20 years.

Success gives you a platform for further success - suddenly everybody wants to work with you, and your opportunities and possibilities open up. But at the same time, success is also immensely challenging - it ultimately often creates pride, stubbornness, and sloppiness that beget failure, taking down people and organizations.