“…42 Again the adoption of progressive taxation in Australia has falsified the fears of the alarmists, for neither has the institution of private property been weakened, nor has capital been driven out of the country. 43 The truth is that, although the current burden of taxation always appears heavy, people have a way of getting used to it, much as they grow accustomed to a new price level after a period of inflation, or adjust themselves to an increasing tariff. "It is quite possible," writes Mr. D. H. Robertson, "that as a result of a prolonged high level of taxation business men as a class should revise their conceptions of what constitutes a reasonable rate of reward for enterprise, and it is not impossible that … something of the kind has already happened."…”