A 'performative' utterance is not true or false, but happy or unhappy.
Cognitive biases are like optical illusions of the mind; they trick us into seeing the world not as it is, but as we expect or want it to be.
知道自己了解别人,设身处地为别人着想,体会别人感受。
自然是一个活生生的整体,而非死寂的集合体。