Positive psychology is not just about feeling good, it's about the good life - a life with engagement, meaning, and positive relationships.
Mom, why do you laugh so much? / Because I have you as my daughter.
关于MM定理最重要的事情不是它的现实性，而是它的简单性。
"Innovation comes from thinking outside the box and challenging the status quo."
The best way to cheer yourself up is to try to cheer somebody else up.