Never in history have we had some many resources at our fingertips. The internet has democratized education, business and nearly aspect of our lives. Want to learn something? Go learn it. Today. The answers are right there at your fingertips, begging you to open them up and dive in. Want to start your own business? Start the process today. Do some research. Study your potential market. See what solutions already exist. It doesn't matter - just go do something.
This is the greatest time in history to be alive. Things weren't better then. They are better now. And they will keep getting better. More people will exit poverty. More diseases will be cured. More people will have ready access to life's basic necessities. More people will be able to be in charge of their own destinies.
I know there are many forces and people and groups and organizations that want you to believe the opposite. The media, politicians, your internal self-doubts, and so on. They need to keep you scared or worried to keep you engaged. Or keep control over you.
Don't let them. Ignore them and they will eventually move on and find somebody else to focus on. Because you have wings. So spread them ... and fly.
Go on. Do it.