Knowledge Uncertainty Quotes

There's no such thing as an expert on Russia—only various degrees of ignorance.

No Discourse whatsoever, can End in absolute Knowledge of Fact.

There is no such thing as an expert on Russia. There are only people with varying degrees of ignorance.

President Reagan didn't always know what he knew.

...if the fear of falling into error is the source of a mistrust in Science, which in the absence of any such misgivings gets on with the work itself and actually does know, it is difficult to see why, conversely, a mistrust should not be placed in this mistrust, and why we should not be concerned that this fear of erring is itself the very error.

The young specialist in English Lit, ...lectured me severely on the fact that in every century people have thought they understood the Universe at last, and in every century they were proved to be wrong. It follows that the one thing we can say about our modern "knowledge" is that it is wrong.

In essence, capitalist systems are a mechanism by which economies may generate growth in knowledge - with much uncertainty in the process, owing to the incompleteness of knowledge.

Uncertainty that comes from knowledge (knowing what you don't know) is different from uncertainty coming from ignorance.

What dependence can I have on the alleged events of ancient history, when I find such difficulty in ascertaining the truth regarding a matter that has taken place only a few minutes ago, and almost in my own presence!

Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know.

The precise correlation between the information you communicated, and the facts insofar as they can be determined and demonstrated is such as to cause epistemological problems, of sufficient magnitude as to lay upon the logical and semantic resources of the English language a heavier burden than they can reasonably be expected to bear.

Experts don't know exactly where the boundaries of their expertise are.

Computerization brings about an essential change in the way the worker can know the world and, with it, a crisis of confidence inthe possibility of certain knowledge.

In its efforts to learn as much as possible about nature, modern physics has found that certain things can never be "known" with certainty. Much of our knowledge must always remain uncertain. The most we can know is in terms of probabilities.

Nature, my dear sir, is only a hypothesis.