Critical knowledge is actually a summary of the underlying laws of things. If we are looking for critical knowledge, we have to look for it where it may appear.
The process of finding critical knowledge is the process of finding reliable knowledge that is useful to us and has a wide range of applications. So how do you find it?
Start with your own field of interest and read classic books to find the most important principles and knowledge. When doing it specifically, we should pay more attention to whether the things that seem to be taken for granted are applied to the laws we already have.
Although we may have discovered the pattern behind the matter, it is often not enough, and we need to further search for the original source of this pattern. This step is very important, and one that most people overlook when studying research – finding out how important conclusions came about.
The key step in establishing critical knowledge is to find the first principles of the problem. It is: it can be explained by more basic, general laws, without new assumptions.
We don't have the relevant knowledge to explain a field, and we can't find a lower level explanation. Usually we refer to other people's research conclusions by consulting relevant books, or give possible reasonable hypotheses based on our own knowledge and experience. Once this hypothesis has been verified to be true by a large number of tests, then new laws have been discovered.
Introduce the rigorous methods of scientific research into daily life thinking and decision-making. If you keep training like this, you can also find your own critical knowledge!
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