When they only use part of the quotation... / 引用の一部しか使われないとなると...。

 Better watch out... they'll be banning John Stuart Mill from schools next!

Adam Smith also had a few things to say about landlords in The Wealth of Nations:

"Landlords’ right has its origin in robbery. The landlords, like all other men, love to reap where they never sowed, and demand a rent even for the natural produce of the earth"