If you can predict the rate at which you create (or create and grow) qualified pipeline, and you know your average close rate(s), then you can start predicting your revenue.
If Shakespeare had never existed, he asked, would the world have differed much from what it is today? Does the progress of civilization depend upon great men? Is the lot of the average human being better now that in the time of the Pharaohs?
The optimum portfolio depends on the various expectations of choices available and the degree of variance in performance which is tolerable. The greater the number of selections, the less will be the average year-to-year variation in actual versus expected results. Also, the lower will be the expected results, assuming different choices have different expectations of performance.
The average businessman began to be agnostic, not so much because he did not know where he was, as because he wanted to forget. Many of the rich took to scepticism exactly as the poor took to drink; because it was a way out.
To become the founder of a new religion one must be psychologically infallible in one's knowledge of a certain average type of souls who have not yet recognized that they belong together.
When the highest type of people hear Tao (Truth), they diligently practice it. When the average type of people hear Tao, they half believe in it. When the lowest type of people hear Tao, they laugh at it. If they did not laugh, it would not be Tao.
If we teach only the findings and products of science - no matter how useful and even inspiring they may be - without communicating its critical method, how can the average person possibly distinguish science from pseudoscience?
Space is certainly something more complicated than the average person would probably realize. Space is not just an empty background in which things happen.