The only thing that matters is how you feel about yourself.

In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.

同一性的概念并不是我们从经验中学到的概念。

爱是一种力量，它能让我们在最黑暗的时刻找到光明。

不要信任所有人，但要信任有价值的人；前者是愚蠢的，后者是谨慎的标志。