Scientists have shown that ...

Scientists have shown that because positive and open mindsets produce exploration and experiential learning, they also come to produce more-accurate mental maps of the world.
 Barbara Fredrickson

Quotes from the same author

The benefits of positive emotions don't stop after a few minutes of good feelings subside. In fact, the biggest benefit that positive emotions provide is an enhanced ability to build skills and develop resources for use later in life.
 Barbara Fredrickson
The boundaries between you and not-you — what lies beyond your skin — relax and become more permeable. While infused with love you see fewer distinctions between you and others. Indeed, your ability to see others — really see them, wholeheartedly — springs open.
 Barbara Fredrickson
Positive people are able to maintain a broader perspective and see the big picture which helps them identify solutions where as negative people maintain a narrower perspective and tend to focus on problems.
 Barbara Fredrickson
Positive psychology is both a movement and a science. The movement involves absolutely anyone who is interested in evidence-based approaches to improving well-being, either for themselves or for their community. I invite you to join this movement!
 Barbara Fredrickson
Flourishing goes beyond happiness, or satisfaction with life. True, people who flourish are happy. But that's not the half of it. Beyond feeling good, they're also doing good-adding value to the world.
 Barbara Fredrickson