Don't settle. Don't finish crappy books. If you don't like the menu, leave the restaurant. If you're not on the right path, get off it.
Your excuses will never be as good as the story of how you got it done.
Try to help people rather than focusing on what's in it for me.
You can't fake community, you can't force it, either.
Between your brain and your mouth (or your fingers) is magic: your power to choose what you say next. Use that magic.
To trust agents, hyperlinks are the twenty-first-century equivalent of the name-dropper.