诠释学循环不是一个恶性循环，而是理解的必要条件。

Innovation is not imagination out of thin air, but based on a deep understanding of user needs.

He said that the way of the world is to bloom and to flower and die but in the affairs of men there is no waning and the noon of his expression signals the onset of night. His spirit is exhausted at the peak of its achievement. His meridian is at once his darkening and the evening of his day.