I was just telling someone today that I had been neglecting my blog, so I decided to go ahead and just start posting some things again.
I like to show this video to students. It's Ira Glass from This American Life. He's talking specifically about radio production, but I think it applies to all creative endeavors:
And here's a nice, concise kinetic type version of the pertinent advice:
You should watch the whole interview. It's good.