1. Not Reading Enough Fiction: Edison regretted not reading fiction because he felt it helped people develop the imagination necessary for innovation and creativity.
2. Not Engaging Workers in Decision-Making: He wanted to create a more collaborative work environment where workers were involved in the decision-making process.
3. Focusing on Invention Rather than Business: While Edison was a prolific inventor, he sometimes struggled with the business aspects of his work. He could have been more involved in the commercialization of his inventions.
4. Not Learning Foreign Languages: Edison expressed a desire to learn languages so he could communicate with a broader audience.
5. Not Spending Enough Time with Family: Edison was a devoted family man, but he also spent long hours on his work. He occasionally felt guilty about neglecting his family.
Despite these regrets, Edison was generally content with his life and saw himself as having made a significant contribution to the world through his inventions and innovation.