The deepest principle in human nature is the craving to be appreciated.
人类本性中最深层的原则是渴望被欣赏。
Positive psychology is not just about feeling good, it's about the good life.
There's not a liberal America and a conservative America - there's the United States of America.
Internationalization is not a choice but an inevitability; we must have a global perspective.
每一次成功只是为更困难的问题买了一张入场券。