What, then, is the true Gospel of consistency? Change. Who is the really consistent man? The man who changes. Since change is the law of his being, he cannot be consistent if he stick in a rut.
Mark TwainMedicine has made all its progress during the past fifty years. ... How many operations that are now in use were known fifty years ago?-they were not operations, they were executions.
Mark TwainThat is a society editor, sitting there elegantly dressed, with his legs crossed in that indolent way, observing the clothes the ladies wear, so that he can describe them for his paper and make them out finer than they are and get bribes for it and become wealthy.
Mark Twain