http://www.thisdayinquotes.com/2011/09/no-one-ever-went-broke-underestimating.html http://www.thisdayinquotes.com/2011/09/no-one-ever-went-brok... TL;DR: Not B

http://www.thisdayinquotes.com/2011/09/no-one-ever-went-broke-underestimating.html http://www.thisdayinquotes.com/2011/09/no-one-ever-went-brok... TL;DR: Not Barnum. Paraphrased from H.L. Mencken.