 It meant ridding a monument of later additions of low quality and restoring it to its original, most splendid, even ideal shape, "which may never have existed at any given time" (Viollet-le-Duc).The other extreme approach to architectural preservation demanded the avoidance of any sort of restoration or reconstruction; only the preservation of the monument in its actually existing shape was permitted, without any additions.Herz was a believer in stylistic restoration but practised it with moderation, good taste and common sense.