If one only wished to be heppy, this could be easily accomplished;but we wish to be happier than other people ,and this is always difficult,for we believe others to be happier they are.—Montesquieu
　　
　　如果你仅仅希冀幸福，这不难做到；但我们期望比别人更幸福，这总是难于做到，因为我们认为别人会比实际更幸福。——孟德斯鸠