Topic
reflection in the mind of real objects and phenomena in their essential features and relations, distinct from concept
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“Don't worry about people stealing an idea. If it's original, you will have to ram it down their throats.”
“Religious ideas, supposedly private matters between man and god, are in practice always political ideas.”
“You can’t crush ideas by suppressing them. You can only crush them by ignoring them. By refusing to think, refusing to change. And that’s precisely what our society is doing!”
“If you want to have good ideas you must have many ideas. Most of them will be wrong, and what you have to learn is which ones to throw away.”
“Ideas are everywhere, but knowledge is rare.”
“It is characteristic of a science in its earlier stages—and logic has become fossilized in such a stage—to be both ambitiously profound in its aims and trivial in its handling of details.”
Quotes via Wikiquote (CC BY-SA), each with its original source.
A concept is a fundamental unit of cognition that classifies entities and encodes shared features. Concepts make it possible to form and combine ideas, draw inferences, and refer to external objects. They act as the meanings of words and play a central role in many cognitive processes, including perception, memory, and reasoning. Researchers distinguish different types of concepts based on their internal structure, mode of acquisition, and domain. These include simple and complex concepts, learned and innate concepts, concrete and abstract concepts, and natural and logical concepts.