It is easy to date an earthquake, but not an economic decline.
No one can measure the loss of business that may arise from a defective item that goes out to a customer.
Whenever there is fear, you will get wrong figures.
Where there is fear you do not get honest figures.
An operational definition is a procedure agreed upon for translation of concept into measurement of some kind.
Data are not taken for museum purposes; they are taken as a basis for doing something. If nothing is to be done with the data, then there is no use in collecting any. The ultimate purpose of taking data is to provide a basis for action or a recommendation for action. The step intermediate between the collection of data and the action is prediction.
he that would run his company on visible figures alone will in time have neither company nor figures.
no one can guess the future loss of business from a dissatisfied customer. The cost to replace a defective item on the production line is fairly easy to estimate, but the cost of a defective item that goes out to a customer defies measure.
There is no such thing as arrival exactly on time. In fact, exactly on time can not be defined.