It's not. At least, I've never seen the movie. I forgot where I heard that. So I googled it.
In a search looking for that exact quote, I came up with only a few links. All from either comments I made previously or a blog post.
http://news.ycombinator.com/item?id=2504632
That was where I originally used it.
I was proud of it, mostly because it was short and to the point. I'm usually not short and to the point.
Anyways, in writing about this on my blog, I had a wonderful surprise happen.
http://www.jasonlotito.com/advice/sometimes-i-amaze-myself/
From his LinkedIn profile, I take it he never got/took the job. But, he seems to be doing well.
But yeah, I think it's good advice.