happiness, existence, knowledge, death. Over the years, some quotes have really stuck with her. Here a select group she shared with Business Insider that are particularly profound. Read next Jump to ...

And yet, as a psychologist, I'm troubled by the way parents' preoccupation with their children's happiness hurts both generations, and I fear that so much media attention fuels this obsessive focus.

The absence of parents is one of the factors that negatively impacts children's happiness. Whether it's physical absence ...