Advice is very easy to give, and even easier not to follow, so I don't fool with it.
Its important to have specific dreams. Dream Big. Dream without fear.
Everyone has to contribute to the common good. To not do so can be described in one word: selfish.
It's interesting, the secrets you decide to reveal at the end of your life.
Experience is what you get when you didn't get what you wanted.
I'm a professor - there should be some lessons learned - and how you can use the stuff you hear today to enable your dreams or enable the dreams of others. And as you get older you may find that enabling-the-dreams-of-others thing is even more fun.