He realised that these overtures were an outcome, in the diplomat, of that point of view which everyone adopts for himself in making his choice of friends, from which all a man's intellectual qualities, his refinement, his affection are a far less potent recommendation of him, when at the same time he bores or irritates one, than are the mere straightforwardness and good-humour of another man whom most people would regard as frivolous or even fatuous.