There is no economy in having one operation produce a part and another separate the good ones from the bad ones.

We must satisfy our customers.

You can not achieve an aim unless you have a method.

It is management's job to direct the efforts of all components toward the aim of the system. The first step is clarification: everyone in the organization must understand the aim of the system, and how to direct his efforts toward it. Everyone must understand the damage and loss to the whole organization from a team that seeks to become a selfish, independent, profit center.

He that would run his company on visible figures alone will in time have neither company nor figures.

Scientific 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.

All models are wrong; some models are useful.