心理學(xué)必須是一門純粹描述性的科學(xué)。
Psychology must be a purely descriptive science.
In the end, we are all alone, and that is the fundamental condition of human existence.
愚蠢的人認為說真話很容易;只有藝術(shù)家,偉大的藝術(shù)家,知道這有多難。