A Quote by Walter A. Shewhart

Postulate 3. Assignable causes of variation may be found and eliminated. — © Walter A. Shewhart
Postulate 3. Assignable causes of variation may be found and eliminated.
Postulate 2. Constant systems of chance causes do exist in nature.
Postulate 1. All chance systems of causes are not alike in the sense that they enable us to predict the future in terms of the past.
The scientific attitude implies the postulate of objectivity-that is to say, the fundamental postulate that there is no plan; that there is no intention in the universe.
What I have tried to show is that the scientific attitude implies what I call the postulate of objectivity - that is to say, the fundamental postulate that there is no plan, that there is no intention in the universe.
If you're doing an experiment, you should report everything that you think might make it invalid - not only what you think is right about it; other causes that could possibly explain your results; and things you thought of that you've eliminated by some other experiment, and how they worked -to make sure the other fellow can tell they have been eliminated.
We physicists know that a beautiful postulate is more likely to be correct than an ugly one. Why not adopt this Postulate of Eternal Life, at least as a working hypothesis?
Annoyance is a physical malady that is in no way cured just because the annoying situation that causes it is eliminated.
Among the many reasons assignable for the sad decay of true Christianity, perhaps the neglecting to assemble ourselves together, in religious societies, may not be one of the least.
Wherever an impact can be eliminated by dropping the activity that causes it, this is therefore the best-indeed the only truly good-solution.
When Saddam Hussein was eliminated, the Iraqi statehood and thousands of people from the former Baath party were also eliminated. Thousands of Iraqi servicemen, who were part of the state's Sunni elite, found themselves thrown out into the street. No one gave a thought about them, and today they end up in the ISIS army.
One's entire life - his mental state, his health, his relationships, the material gains that he may or may not make - are all effects which have been set in motion by causes to be found somewhere in one's background, in this life or previous ones.
Proofs of the Euclidean [parallel] postulate can be developed to such an extent that apparently a mere trifle remains. But a careful analysis shows that in this seeming trifle lies the crux of the matter; usually it contains either the proposition that is being proved or a postulate equivalent to it.
When nobody read, dyslexia wasn't a problem. When most people had to hunt, a minor genetic variation in your ability to focus attention was hardly a problem, and may even have been an advantage. When most people have to make it through high school, the same variation can become a genuinely life-altering disease.
Poetry, even that of the loftiest, and seemingly, that of the wildest odes, [has] a logic of its own as severe as that of science; and more difficult, because more subtle, more complex, and dependent on more and more fugitive causes. In the truly great poets... there is a reason assignable, not only for every word, but for the position of every word.
A sensation, hidden in the depths of my emotional memory, was suddenly revived: what if... What if for me The Variation is not dead? If The Variation is alive?!
A grand and almost untrodden field of inquiry will be opened, on the causes and laws of variation, on correlation of growth, on the effects of use and disuse, on the direct actions of external conditions, and so forth.
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