It is bad policy to regulate everything... where things may better regulate themselves and can be better promoted by private exertions; but it is no less bad policy to let those things alone which can only be promoted by interfering social power.

Only now did I recognize the reciprocal relationship which exits between manufacturing power and the national system of transportation, and that the one can never develop to its fullest without the other.

Look around, and you see everywhere the exertions and acts of individuals restricted, regulated, or promoted, on the principle of the common welfare.

Friedrich List Quotes