A fool knows more in his own house than a wise man in another

Definición y Significado de "a fool knows more in his own house than a wise man in another"

a fool knows more in his own house than a wise man in another

used to imply that a foolish person can have more knowledge in their own area of expertise than a wise person who is unfamiliar with that area

Proverb

What is the origin of the proverb "a fool knows more in his own house than a wise man in another" and when to use it?

The proverb "a fool knows more in his own house than a wise man in another" originates from European folklore and is often attributed to ancient wisdom found in Greek and Roman teachings. The saying suggests that expertise and confidence in one's own environment can often surpass the understanding of someone who is knowledgeable but lacks familiarity with the subject at hand. It serves as a reminder that wisdom is not always universal, and expertise can be specific to a particular context or area.

Example

John may not have a college degree, but he knows more about fixing cars than his neighbor who has a PhD in physics, proving that a fool knows more in his own house than a wise man in another.