Meaning of Do what you love. Know your own bone; gnaw at it, bury it, unearth it, and gnaw it still. Quote by Henry David Thoreau.
When you know that everything mattersthat every move counts as much as any otheryou will begin living a life of permanent purpose.
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
It basically tells developers that if you are coding in PHP, you are welcome and we would love to have you write applications that integrate with Yahoo.