Rule of Thumb

A rule of thumb is a principle with broad application that is not intended to be strictly accurate or reliable for every situation. It is an easily learned and easily applied procedure for approximately calculating or recalling some value, or for making some determination. Compare this to heuristic, a similar concept used in mathematical discourse, psychology, and computer science, particularly in algorithm design.

Read more about Rule Of Thumb:  Origin of The Phrase, Thumb As Measurement Device, Thumb Used For Regulation, Examples of Usage

Famous quotes containing the words rule of, rule and/or thumb:

    Nothing requires a greater effort of thought than arguments to justify the rule of non-thought.
    Milan Kundera (b. 1929)

    “Reason is an exception in me, too,” said Zarathustra: “Chaos and necessity and spinning stars—that is also the rule in the wisest world.”
    Friedrich Nietzsche (1844–1900)

    I had a consuming ambition to possess a miller’s thumb. I believe I have never since wanted anything more desperately than I wanted my right thumb to be flattened as my father’s had become, during his earlier years of a miller’s life.
    Jane Addams (1860–1935)