"His thoughts, his words inspire and influence thousands for centuries. If he dies now, who knows that will have on future history? Words matter! One death, one ripple, and history will change in a blink. The future will not be the world you know. The world you came from, the world you were created in won't exist, so neither will you. It's not just his life at stake, it's yours. You wanna sacrifice yourself for this? You want me to sacrifice you? You want to call it? Do it now. All of you... Yeah. Cause sometimes this team structure isn't flat, it's mountainous, with me at the summit, in the stratosphere, alone. Left to choose. Save the poet, save the universe. Watch people burn now or tomorrow. Sometimes even I can't win."
January 1, 1970
https://en.wikiquote.org/wiki/The_Doctor