“Philosophy of science without history of science is empty history of science without philosophy of science is blind. ”

“Research programmes, besides their negative heuristic, are also characterized by their positive heuristic.”

“Some people don't understand the promises they're making when they make them," I said."Right, of course. But you keep the promise anyway. That's what love is. Love is keeping the promise anyway.”

“I think if I've learned anything about friendship, it's to hang in, stay connected, fight for them, and let them fight for you. Don't walk away, don't be distracted, don't be too busy or tired, don...”

“And now these three remain: faith, hope and love. But the greatest of these is love.”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“The truth is rarely pure and never simple.”

“Never tell the truth to people who are not worthy of it.”

“Power is not revealed by striking hard or often, but by striking true.”

“As time and space are bent by gravity, so too is truth bent by power.”

“What a curious power words have.”