It is the concept of likelihood that a real understanding of probability resides, and we must learn how to measure it.

Policy-making, decision-taking, and control: These are the three functions of management that have intellectual content.

Management problems are not respecters of the company organization, nor of the talents of the people appointed to solve them.

Instead of trying to specify a system in full detail, specify it only somewhat. You can then ride on the dynamics of the system in the direction you want to go.

The purpose of a system is what it does. There is after all, no point in claiming that the purpose of a system is to do what it constantly fails to do.

There is, then, a logical priority about the arrangements, and logic has nothing to do with time.

The strategies that managers employ are at least as important as the facilities at their disposal.