When you know absolutely nothing about the topic, make your forecast by asking a carefully selected probability sample of 300 others who don't know the answer either.
![When you know absolutely nothing about the topic, make your forecast by asking a carefully selected probability sample of 300 others who don't know the answer either.](http://cdn.myquotes.org/images/edgar-fiedler/when-you-know-absolutely-nothing-about-the-topic-make-your-forecast-by-asking-a-carefully-selected-probability-sample-of-300.jpg)
When you know absolutely nothing about the topic, make your forecast by asking a carefully selected probability sample of 300 others who don't know the answer either.