Political Economy, in truth, has never pretended to give advice to mankind with no lights but its own; though people who knew nothing but political economy (and therefore knew it ill) have taken upon themselves to advise, and could only do so by such lights as they had.
John Stuart MillSince the general or prevailing opinion on any subject is rarely or never the whole truth, it is only by the collision of adverse opinion that the remainder of the truth has any chance of being supplied.
John Stuart MillWith equality of experience and of general faculties, a woman usually sees much more than a man of what is immediately before her.
John Stuart Mill