In copywriting applications quotations from celebrities or powerful political leaders can stand in as mini testimonials giving strength and credibility to your claims.
If you don't already have a growing list of solid quotations on your hard drive, I recommend you begin one today.
Seriously, I have dipped many times into my long long list of valued quotations and made a big difference in the impact of my blogging, e-mails, sales copy. In my book it's a habit an aspiring IM would be wise to develop. I know how much it has helped me.