Grey's Anatomy, Season 5

Meredith:
[voiceover] I am a rock. I am an island. That's the mantra of pretty much every surgeon I've ever met. We like to think we're independent. Loners. Mavericks. That all we need to do our jobs is an OR, a scalpel, and a willing body. But the truth is, not even the best of us can do it alone. Surgery, like life, is a team sport, and eventually, you've gotta get off the bench and decide... what team are you batting for.