Empiricism definition

Empiricism, in philosophy, the view that all concepts originate in experience, that all concepts are about or applicable to things that can be experienced, or that all rationally acceptable beliefs or propositions are justifiable or knowable only through experience.

Explanation:

For example, if a public speaker says that "most people prefer pet frogs to dogs they may be quickly dismissed.but if the very same person says that

"66% percent of people say they prefer pet frogs to dogs" audiences may be more intrested and may be far more likely to believe them even if this data is made up or based on a manipulated statistic

the view that all concepts originate in experience, that all concepts are about or applicable to things that can be experienced, or that all rationally acceptable beliefs or propositions are justifiable or knowable only through experience. Hope I helped :)

Explanation:

wheres the passage with the idiom underlined