机器学习的最终目标是让计算机从经验中学习，并随着时间的推移提高其性能。
The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.
The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was.
你永远不会太老去设定另一个目标或梦想一个新的梦想。