Image Source: Bilan

Here are 11 inspiring quotes from successful people about self-improvement.

1. “I’ve come to believe that each of us has a personal calling that’s as unique as a fingerprint—and that the best way to succeed is to discover what you love and then find a way to offer it to others in the form of service, working hard, and also allowing the energy of the universe to lead you.”

— Oprah Winfrey

2. “We can each define ambition and progress for ourselves. The goal is to work toward a world where expectations are not set by the stereotypes that hold us back, but by our personal passion, talents, and interests.”

— Sheryl Sandberg

3. “Without pain, there would be no suffering, without suffering we would never learn from our mistakes. To make it right, pain and suffering is the key to all windows, without it, there is no way of life.”

— Angelina Jolie

4. “If you don’t like something, change it. If you can’t change it, change your attitude.”

— Maya Angelou

5. “We all need people who will give us feedback. That’s how we improve.”

— Bill Gates

6. “When I had challenges, it taught me to be more on top of it for the future. Things go wrong all the time when you’re running your own business, but it’s how you perceive it and deal with it that matters.”

— Lori Greiner

7. “It’s not about money or connections—it’s the willingness to out work and out learn everyone…And if it fails, you learn from what happened and do a better job next time.”

— Mark Cuban

8. “Don’t you dare underestimate the power of your own instinct.”

— Barbara Corcoran

9. “I always did something I was a little not ready to do. I think that’s how you grow. When there’s that moment of ‘Wow, I’m not really sure I can do this,’ and you push through those moments, that’s when you have a breakthrough.”

— Marissa Mayer

10. “We need to accept that we won’t always make the right decisions, that we’ll screw up royally sometimes–understanding that failure is not the opposite of success, it’s part of success.”

— Ariana Huffington

11. “Follow what you are genuinely passionate about and let that guide you to your destination.”

— Diane Sawyer