Cracking knuckles can cause swollen hands and loss of some grip strength. The popping noise comes from bubbles bursting in your joint fluid. It, however, does not cause arthiritis.

Real inspiration does not come from the outside - it comes from a deep place within us that demands that we take action. The inspiration that comes from talks, movies, or books provokes inspiration but does not provide sufficient follow-through.

Motivation without a clear direction...

Strength doesn’t come from what you can do. It comes from overcoming the things you couldn’t. 

Tough situations build strong, successful people. So focus diligently, work hard in silence, and let your success be your noise.