Business Organisation. E-book. Formato PDF Lawrence R. Dicksee   -  Forgotten Books, 2017  - 

It is, of course, not sufficient to foresee what will happen in the future, for in the course of time almost everything will happen. TO derive any profit from such calculations it is necessary, at all events within certain limitations, to be able to perceive when the particular change that one has in view is likely to come about.