Quote by Jean-Baptiste Say
Political economy has only become a science since it has been confined to the results of inductive investigation.
Summary
This quote implies that political economy, as a science, has evolved and gained credibility only after being studied through systematic observation and analysis of real-life data. Prior to this, it might have been a more abstract or theoretical concept. By emphasizing the importance of "inductive investigation," the quote emphasizes that the scientific advancements in political economy are rooted in empirical evidence and logical reasoning rather than mere conjecture or ideology.