Mental activity is the organism's way of engaging with the world.
世界不是辩证的——它誓死走向极端,而不是平衡,誓死走向激进的对抗,而不是和解或综合。
计算复杂性的美在于它能够揭示问题的固有难度,而不管用于解决这些问题的具体算法是什么。
"Sometimes I think that the only thing that connects us to the past is the present. Without the present, the past would be lost forever."