温和的精神也应该是立法者的精神。
The spirit of moderation should also be the spirit of the lawgiver.
I think the most important thing is to be honest and truthful with what you say and what you do.
Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
学习问题的复杂性通常由假设空间的大小和结构决定。