A major lesson is that we can always find a way. When we face difficulties and think we can't, we need to look for alternative paths. People who overcame the 'I can't' in learning new languages or starting businesses found unique ways to achieve their goals. Moreover, these stories show that our attitude matters. A positive attitude, like that of the motivational speakers who had physical limitations, can change how we approach challenges and turn our 'I can't' situations into 'I can' opportunities.
The stories teach us that perseverance pays off. Nick Vujicic didn't give up because of his physical challenges. He kept pushing forward. Also, we learn that resources are not always the most important factor. Stephen Hawking didn't let his physical state stop him from using his mind to contribute to science. And for those who think they can't start a business due to lack of resources, they should see that it's possible with determination and creativity.