One 'I can' story is about Helen Keller. Despite being blind and deaf, she could learn to communicate. Through her teacher's help and her own determination, she learned to read, write, and speak. She showed that she could achieve great things even with such disabilities. An 'I can't' part of someone's story could be a person who has a physical limitation and at first believes they can't do sports. But then with the right support and mindset, they realize they can participate in adapted sports. This shows that our initial beliefs about what we can't do can be overcome.
Sure. Consider the story of Nick Vujicic. He was born without arms and legs. But he said 'I can' and became a motivational speaker. He travels around the world inspiring people with his positive attitude. He didn't let his physical condition stop him from living a full and impactful life. In contrast, there are those who might think they can't learn a new language because they are too old. However, many people in their 50s, 60s or even older have proven that they can learn a new language if they put in the effort, showing that the 'I can't' is often just a mental block.
There is the story of Stephen Hawking. He had a debilitating disease that left him mostly paralyzed. But he could think, he could study the universe and make great scientific contributions. He could overcome the limitations of his body with his brilliant mind. On the other hand, some people think they can't start their own business because they lack resources. But many successful entrepreneurs started with very little. They realized that they could use their creativity and hard work to build something from scratch, turning the 'I can't' into an 'I can'.