Never, ever underestimate the importance of having fun.
No matter how bad things are, you can always make things worse.
You will need to find your passion. Don't give up on finding it because then all you're doing is waiting for the Reaper.
If we had to vanish tomorrow, what would we want as our legacy?
It's a thrill to fulfill your own childhood dreams, but as you get older, you may find that enabling the dreams of others is even more fun.
We have a finite amount of time. Whether short or long, it doesn't matter. Life is to be lived.