You go into a room and you know where you're welcome; you know where you're unwelcome.Sometimes in a hostile situation you stick around because hostility itself is important.The people who are garrulous and wear their heart on their sleeve and tell you everything, that's one kind of person, but the fellow who's hiding behind a tree and hoping you don't see him is the fellow that you'd better find out why.

Dorothea Lange: Farm Security Administration photographs, 1935-1939 : from the Library of Congress (ed. Text-Fiche Pr, 1980)