A Quote by Peter Drucker

Erroneous assumptions can be disastrous. — © Peter Drucker
Erroneous assumptions can be disastrous.
U.K. policy in Libya before and since the intervention of March 2011 was founded on erroneous assumptions and an incomplete understanding of the country and the situation.
Mainstream media's representation, or its guerrilla decontextualization, of black men's lives in particular can set the stage for erroneous assumptions capable of damaging an individual or a nation.
Mainstream medias representation, or its guerrilla decontextualization, of black mens lives in particular can set the stage for erroneous assumptions capable of damaging an individual or a nation.
If others tell us something we make assumptions, and if they don't tell us something we make assumptions to fulfill our need to know and to replace the need to communicate. Even if we hear something and we don't understand we make assumptions about what it means and then believe the assumptions. We make all sorts of assumptions because we don't have the courage to ask questions.
We have a tendency to make assumptions about everything! The problem with making assumptions is that we believe they are truth. We could swear they are real. We make assumptions about what others are doing or thinking-we take it personally-then we blame them and react by sending emotional poison in our word. That is why whenever we make assumptions, we're asking for problems. We make assumptions, we misunderstand, we take it personally, and we end up creating a whole big drama for nothing.
By and large, I seem to have made more mistakes than any others of whom I know, but have learned thereby to make ever swifter acknowledgment of the errors and thereafter immediately set about to deal more effectively with the truths disclosed by the acknowledgment of erroneous assumptions.
Science is the process of making obviously erroneous ideas less obviously erroneous.
Dialogue is a space where we may see the assumptions which lay beneath the surface of our thoughts, assumptions which drive us, assumptions around which we build organizations, create economies, form nations and religions. These assumptions become habitual, mental habits that drive us, confuse us and prevent our responding intelligently to the challenges we face every day.
Karl Marx predicted the eventual withering away of the state and the 'dictatorship of the proletariat,' when the people would rule, which was sheer fantasy because it was sheer fantasy because it was based on grossly erroneous assumptions about human nature, as history would repeatedly demonstrate.
Racist assumptions, ethnolinguistic assumptions of inferiority or superiority, are as old as mankind.
Incorrect assumptions lie at the root of every failure. Have the courage to test your assumptions.
Euclid taught me that without assumptions there is no proof. Therefore, in any argument, examine the assumptions.
There will be some fundamental assumptions which adherents of all the variant systems within the epoch unconsciously presuppose. Such assumptions appear so obvious that people do not know what they are assuming because no other way of putting things has ever occurred to them. With these assumptions a certain limited number of types of philosophic systems are possible, and this group of systems constitutes the philosophy of the epoch.
Nothing makes a man so virtuous as belief of the truth. A lying doctrine will soon beget a lying practice. A man cannot have an erroneous belief without by-and-by having an erroneous life. I believe the one thing naturally begets the other.
Are not all Hypotheses erroneous, in which Light is supposed to consist in Pression or Motion, propagated through a fluid Medium? For in all these Hypotheses the Phaenomena of Light have been hitherto explain'd by supposing that they arise from new Modifications of the Rays; which is an erroneous Supposition.
We all make basic assumptions about things in life, but sometimes those assumptions are WRONG. We must never trust in what we assume, only in what we KNOW.
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