Friends and family will tell you why your ideas won't work. Most are left-brained employees and specialists and NOT entrepreneurs.
Making money and making the world a better place are not contrary to one another.
Negative thoughts are not protecting you. They are making you smaller.
Opportunities are all around you, you just need to be able to see them.
Don't invest in what you don't know. Learn first then invest.
Making mistakes isn't enough to become great. You must also admit the mistake, and then learn how to turn that mistake into an advantage.