诚者自成也，而道自道也 Sincerity is that whereby self-completion is effected,and its way is that by which man must direct himself. 诚者物之终始，不诚无物 Sincerity is the end and beginning of things; without sincerity there would be nothing. 是故君子诚之为贵。 On this account,the superior man regards the attainment of sincerity as the most excellent thing. Notes:whereby:(关系)由那个，凭那个；由此