On Liberty by John Stuart Mill Chapter 5 Page 62

willing to adopt improvements; if we would not have our bureaucracy degenerate into a pedantocracy, this body must not engross all the occupations which form and cultivate the faculties required for the government of mankind.

To determine the point at which evils, so formidable to human freedom and advancement begin, or rather at which they begin to predominate over the benefits attending the collective application of the force of society, under its recognized chiefs, for the removal of the obstacles which stand in the way of its well-being, to secure as much of the advantages of centralized power and intelligence, as can be had without turning into governmental channels too great a proportion of the general activity, is one of the most difficult and complicated questions in the art of government.