3. Season 1, Episode 6 (Meredith Grey)
“Knowing is better than wondering. Waking is better than sleeping, and even the biggest failure, even the worst, beats the hell out of never trying.”
4. Season 4, Episode 15 (Cristina Yang)
“Have some fire. Be unstoppable. Be a force of nature. Be better than anyone here and don’t give a damn about what anyone thinks.”