The Value of Saying No

One of the most common mistakes small companies make - accept any business, be anything to anyone. Without a focus, it is difficult to be superior to the next competitor, especially if they are specialised. And focus develops by saying no to distractions, and spending time in developing the superior insight and spending sales efforts on the relevant entities.

http://boss.blogs.nytimes.com/2013/07/24/the-value-of-saying-no/?pagemode=print&pagewanted=print&_r=0