... Paradoxical as it may seem, I do not by any means think that bad company is necessarily made up of bad men. I say that any company is bad for a man if it does not tempt him to exert his higher faculties. It is as certain as death that a bodily member which is left unused shrinks and becomes aborted. If one arm is hung for a long time in a sling, the muscles gradually fade until the skin clings closely round the bone. The wing of the huge penguin still exists, but it is no bigger than that of a ... — The Ethics of Drink and Other Social Questions - Joints In Our Social Armour • James Runciman