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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."