It would be interesting to count the men of your acquaintance who are able to stand on their own solitary opinion, who refuse to be strapped down in the straitjackets of conventional public opinion. You will usually find that such men, by taste or by circumstance, are accustomed to pass somewhat lonely lives. They like to sequester themselves; they prefer to live in quiet places. If destiny grants them the choice, they choose the place of quiet mountains rather than the prattle of little men. Such men develop their bent for independent thought precisely because they prefer withdrawn lives. Society and company could only assist to smother their best ideas, their native originality, and so they avoid them. Thoreau, that powerful advocate for solitude, could never be intimidated by anyone.
-- Notebooks Category 3: Relax and Retreat > Chapter 5 : Solitude > # 48