Learning has been as great a Loser by being shut up in Colleges and Cells, and secluded from the World and good Company. By that Means, every Thing of what we call Belles Lettres became totally barbarous, being cultivated by Men without any Taste of Life or Manners, and without that Liberty and Facility of Thought and Expression, which can only be acquir'd by Conversation.

The Philosophical Works (ed. 1826)