Doctor Who

"The future is built on the choices we make today."

"I'm not a human. But I've tried to be one."

"Never run unless you're being chased."

"Education is the most powerful weapon against ignorance."

"I'm the Doctor. I've got a time machine and I know everything."

"But they're gone, and I can't go back."

"I've forgotten more than most people will ever know."

"The way I see it, every storm eventually passes."

"Complacency is the enemy of progress."

"I've seen the whole of space and time, and there's nothing—absolutely nothing—more beautiful than a person who chooses to be kind."

"You can't judge a civilization by their buildings. You have to judge them by how they treat the smallest, weakest members of their society."

"I'm not lonely. I'm alone by choice."

"There's a place I've been meaning to visit. It's called the future."

"Music is the universal language. It's math and beauty combined."

"I've lived long enough to know that the best victories are the ones where nobody has to die."

"The question isn't what you're capable of. The question is what you're willing to do."

"I can't save the world by making it cleaner. I can only save it by making it better."

"Rose, this is important: if you ever catch yourself in a situation where you're unsure, just think: what would the Doctor do?"

"I've been alive for 2000 years, and I've learned one thing: nothing is ever simple."

"The most important thing is the mission. Always the mission."

"You can't rewrite time. You can only read it."

"I don't run away. And I don't let others down."

"Everything ends, but we go on. We always go on."

"I'm tired of playing God."

"The stars are ancient and cold. That's what makes them beautiful."

"There's something beautiful about the structure of a diamond. Perfect lattice of carbon atoms."

"I'm the Doctor, and I've had enough."

"Loneliness is a choice."

"I've made many mistakes. But I've also learned from them."

"We create our own meaning."