1. Steve Jobs: One of the founders of Apple. He was expelled from the company when he was young, but he didn't give up. He founded Pixar Animation Studio and eventually returned to Apple to lead the company to glory.

2. Jeff Bezos: the founder of Amazon. When he started his business, he faced great difficulties and failures. However, he didn't give up, stuck to his dream and eventually turned Amazon into one of the largest e-commerce companies in the world.

3. OprahWinfrey: A famous American talk show host and media tycoon. She experienced poverty and abuse in her childhood, but through hard work and perseverance, she became one of the most influential women in the world.

4. J.K.Rowling: The author of Harry Potter series novels experienced divorce, unemployment and poverty before writing this series. However, she did not give up her dream of writing. Through unremitting efforts, she finally became a world-class writer.

5. Ma Yun: Founder of Alibaba Group. He failed many times when he was young, including being rejected by Harvard University ten times. But he didn't give up, firmly believed in his dream, and finally founded one of the largest e-commerce companies in China.

The stories of these successful people tell us that no matter how many difficulties and setbacks we encounter, as long as we persevere, believe in our dreams and work hard, we can succeed.