The concentration and reciprocal effect of industry and agriculture conjoin in a growth of productive powers, which increases more in geometrical than in arithmetical proportion.
Friedrich ListThe more a person learns how to use the forces of nature for his own purposes, by means of perfecting the sciences and the invention and improvement of machines, the more he will produce.
Friedrich ListIndustry entirely left to itself, would soon fall to ruin, and a nation letting everything alone would commit suicide.
Friedrich ListOnly now did I recognize the reciprocal relationship which exists between manufacturing power and the national system of transportation, and that the one can never develop to its fullest without the other.
Friedrich List