In simple terms, the quote suggests that firsthand experience holds greater value than theoretical knowledge or mere opinions. It emphasizes that practical insights gained through direct involvement are more beneficial and reliable than abstract arguments or conflicting viewpoints found in books.
The deeper meaning of this statement lies in highlighting the importance of empirical learning over academic discourse alone. John Bates Clark is advocating for a methodical approach to acquiring knowledge where real-world experience and firsthand observation play central roles. This approach underscores that while theories can be insightful, they often lack the nuance and depth gained from practical engagement with issues. The quote also serves as a critique against the reliance on theoretical or speculative information without grounding it in tangible experiences.
John Bates Clark was an influential American economist who lived during the late 19th century to early 20th century. He is known for his contributions to marginal utility theory and the labor theory of value, among other economic theories. His work aimed at bridging philosophical and theoretical aspects with practical applications in economics, aligning closely with the sentiment expressed in this quote about the importance of empirical knowledge over speculative assertions.