Respectfully Quoted: A Dictionary of Quotations. 1989.
Jan Struther (190153)
Private opinion creates public opinion. Public opinion overflows eventually into national behaviour and national behaviour, as things are arranged at present, can make or mar the world. That is why private opinion, and private behaviour, and private conversation are so terrifyingly important.
JAN STRUTHER (Joyce Anstruther), The Weather of the World, A Pocketful of Pebbles, p. 341 (1946).