So happiness is the most popular word we have heard through the past two years. Happiness is not only related to personal experiences and personal values, but also, it's about the environment.

"The writer is a man who is always searching for the right word, the perfect word, the word that will make the reader see what he sees, feel what he feels, understand what he understands."

Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.

技术是文化适应的关键因素，但它总是通过社会和文化机构来调节。

为和平而战就像为童贞而干。