And yet, whatever the inevitable disappointments that it must bring in its train, this movement towards what we have only half seen, what we have been free to dwell upon and imagine at our leisure, this movement is the only one that is wholesome for the senses, that whets the appetite. How dreary a monotony must pervade those people's lives who, from indolence or timidity, drive in their carriages straight to the doors of friends whom they have got to know without having first dreamed of knowing them, without ever daring, on the way, to stop and examine what arouses their desire.