… is from page 62 of Thomas Sowell’s 2009 volume Intellectuals and Society  (footnote deleted):
To say, as John Dewey did, that there must be “social control of economic forces” sounds good in a vague sort of way, until that is translated into specifics as the holders of political power forbidding voluntary transactions among the citizenry.
Yes. Slogans are not ‘solutions,’ no matter how fine the slogans sound. Slogans too often require for their success in reality the occurrence of miracles .