Whenever we think we know the future, even for a second, it changes. Sometimes the future changes quickly and completely. We’re left with the choice of what to do next. We can choose to be afraid of it, to stand there trembling, not moving, assuming the worst that can happen. Or we step forward into the unknown, and assume it will be brilliant.
— Dr. Christina Yang - Grey’s Anatomy Season 10, Episode 24 ‘Fear (of the Unknown)’