§ 13 

But even if it were possible to have all the knowledge needed for this - a thing that would be absolutely impossible - might it not happen, notwithstanding, that goodwill might be lacking among those who arrange this matter, a fact which I give as the third reason.

It might easily happen that they themselves derived some advantage from the people being guided to that or another special trade, and would therefore advocate it. What else could happen then but that the most useful trade would be robbed of people to the irreparable loss of the Country?