50 years.
“One day, I shall come back. Yes, I shall come back. Until then, there must be no regrets, no tears, no anxieties. Just go forward in all your beliefs and prove to me that I am not mistaken in mine.”
“There are some corners of the universe which have bred the most terrible things. Things which act against everything we believe in. They must be fought.”
“A straight line may be the shortest distance between two points, but it is by no means the most interesting.”
“Answers are easy. It’s asking the right questions which is hard.”
“For some people, small, beautiful events is what life is all about!”
“Planets come and go. Stars perish. Matter disperses, coalesces, forms into other patterns, other worlds. Nothing can be eternal.”
“There are worlds out there where the sky is burning, and the sea’s asleep, and the rivers dream; people made of smoke and cities made of song. Somewhere there’s danger, somewhere there’s injustice, somewhere else the tea’s getting cold. Come on, Ace. We’ve got work to do.”
“I love humans. Always seeing patterns in things that aren’t there.”
“I’m the last of the Time Lords. They’re all gone. I’m the only survivor. I’m left travelling on my own, ‘cause there’s no one else.”
“Some people live more in twenty years than others do in eighty. It’s not the time that matters, it’s the person.”
“Good men don’t need rules. Today is not the day to find out why I have so many.”
-The Doctor(One quote for each incarnation)