Quote by Niels Bohr

"An expert is a person who has made all the mistakes that can be made in his field."

"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth."

"Prediction is very difficult, especially if it's about the future."

"I go around as a ghost, and no one sees me."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."