The concept of will is unnecessary in explaining behavior.
The difference between correlation and causation is not just academic—it can have profound policy implications.
抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。
希望是最后消亡的东西。
我爱那些能在困境中微笑、在困苦中汲取力量、在反思中变得勇敢的人。