There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
艺术的本质功能是道德的。但这是激情、含蓄的道德，不是说教的。这种道德改变的是血液，而不是思想。
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.