心理学的目的是理解我们如何应对世界。
The purpose of psychology is to understand how we cope with the world.
男孩和他的心已经成为了朋友，彼此都无法背叛对方
世界如此之大，同时又如此之小。
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
Collaboration is the key to solving complex challenges.