Small mistakes:

1. Messing up school exams.
2. Not finishing college.
3. Failing at your first business.
4. Doing the same with your second.
5. Trusting someone who let you down.

Big mistakes:

1. Not listening to your gut.
2. Not keeping your word.
3. Not looking after yourself
4. Not doing what you love.
5. Not building a culture for people to fly.