You Have To Manage A System. The

A Rule Should Suit The Purpose.

One Need Not Be Eminent In Any Part Of Profound Knowledge In Order To Understand It And To Apply It. The Various Segments Of The System Of Profound Knowledge Cannot Be Separated. They Interact With Each Other. For Example Knowledge About Psychology Is Incomplete Without Knowledge Of Variation.

The Questions Are More Important Than The Answers.

There Is No Economy In Having One Operation Produce A Part And Another Separate The Good Ones From The Bad Ones.

A Goal Without A Method Is Nonsense.