Explanation of the Epstein-Heisenberg Principle

In any project, only two of the three parameters can be defined at any given time. Those parameters are the task, the time, and the money:

  • If the task is known and a time limit is established, then the cost cannot be estimated (or even fathomed).
  • If the time and the available resources are clearly detailed, then the project definition must change.
  • If the project definition is clear and the budget is set, then the time-to-completion will be extended indefinitely.
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