"If You're Open to Growth, You Tend to Grow"
should be required reading for managers and parents. It summarizes the work of Carol Dweck from Stanford. Key passage:
Those who believe they were born with all the smarts and gifts they’re ever going to have approach life with what she calls a “fixed mind-set.” Those who believe that their own abilities can expand over time, however, live with a “growth mind-set.”
If you're interested in her work, I wrote about her twice before. Click here for a video and here for a review of her book.