We don't always have an accurate view of our own potential. I think most people who are frightened of public speaking and can't imagine they might feel different as a result of training. Don't assume you know how much potential you have. Sometimes the only way to know what you can do is to test yourself.
Globalization has much potential. It could be the answer to many of the world's seemingly intractable problems. But this requires strong democratic foundations based on a political will to ensure equity and justice.
Everyone has inside of him a piece of good news. The good news is that you don't know how great you can be! How much you can love! What you can accomplish! And what your potential is!