I just discovered that Jerry (Gerald M.) Weinberg has a blog. He is the author of the useful, cynical, and funny Secrets of Consulting. He has also written a new book on writing. If it is as good as his other books on software development, it will be well worth reading.
Of course, there is also this view of consulting,
If you need nice, motivational posters for your office, I can recommend the ones from Despair, Inc.