Jean-Baptiste Say Quote

A science only advances with certainty, when the plan of inquiry and the object of our researches have been clearly defined; otherwise a small number of truths are loosely laid hold of, without their connexion being perceived, and numerous errors, without being enabled to detect their fallacy.


Introduction, p. xv - A Treatise On Political Economy (Fourth Edition) (1832)


A science only advances with certainty, when the plan of inquiry and the object of our researches have been clearly defined; otherwise a small number ...

A science only advances with certainty, when the plan of inquiry and the object of our researches have been clearly defined; otherwise a small number ...

A science only advances with certainty, when the plan of inquiry and the object of our researches have been clearly defined; otherwise a small number ...

A science only advances with certainty, when the plan of inquiry and the object of our researches have been clearly defined; otherwise a small number ...