The concept of purpose has no place in a scientific account of behavior.
模糊逻辑并不模糊。它是一种关于不精确性的精确逻辑。
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
我画得越多,就越不在乎别人的想法。
Psychology must be a practical science, concerned with the how and why of mental operations.