Questions I have no answers for

Am I making full use of my time?
Are the choices I am making the best?
Am I learning as much as I possibly can?
What do I need to learn?
What are the problems that I should choose to solve?
What are the changes I can bring to healthcare and the environment?
Who do I need to team with?
What are the mistakes I have made?
What are the right decisions I have made?
If I had 5 more years of experience, how would the decisions I make change?
What are the things I think I know?
What are the things I don't know I need to know?
What are the fundamentals I need to learn?