Grey's Anatomy Quotes: Hook, Line and Sinner

Meredith: [voiceover] We're doctors - we're trained to care for human beings and we're pretty sure we know what to look for. Cuts, infection, genetic mutation.
Meredith: [voiceover] As doctors we have an arsenal of weapons after any. Antibiotics to kill infections. Narcotics to fight pain. Scalpels and retractors to remove tumours and cancers - to eradicate the threat. But just the physical threat, for every other threat - you are on your own.