The fundamental 'formula' of Gestalt theory might be expressed in this way: There are wholes, the behavior of which is not determined by that of their individual elements, but where the part-processes are themselves determined by the intrinsic nature of the whole.

PAC学习框架提供了一种正式的方法来分析学习算法的效率和有效性。

模型的唯一真正检验是其预测未来的能力，而未来总是不确定的。

Errors, like straws, upon the surface flow; he who would search for pearls must dive below.

For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.

I don't need approval to be myself.

信息鸿沟比财富鸿沟更难跨越。

我们必须认识到，知识的分布是分散的，没有一个中央权威可以掌握所有相关的信息。

历史这个游戏的玩家一般都是社会的最上层和最下层，占大多数的中间层次只有在台下看戏的份。