In the short run, the market is a voting machine but in the long run, it is a weighing machine.

The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.

人生来无知，而不是愚蠢；他们是通过教育而变得愚蠢的。

当我们意识到怪物就在我们内心时，就不再在床下寻找它们了。

个人对自己信念的信心主要取决于他们能够对自己所见所闻讲述的故事的质量，即使他们所见甚少。

Hope for the best, expect the worst.

解释：依据自己的能力去做事，把握最佳时机采取行动。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.