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:
“Freedom prospers when religion is vibrant and the rule of law under God is acknowledged.”
—Ronald Reagan (b. 1911)
“In Russia, whatever be the appearance of things, violence and arbitrary rule is at the bottom of them all. Tyranny rendered calm by the influence of terror is the only kind of happiness which this government is able to afford its people.”
—Marquis De Custine (1790–1857)
“Give a lift to a tomato, you expect her to be nice, don’t ya? After all, what kind of dames thumb rides, Sunday school teachers?”
—Martin Goldsmith, and Edgar G. Ulmer. Charles Haskell, Jr. (Edmund MacDonald)