“Argument is conclusive, but it does not remove doubt, so that the mind may rest in the sure knowledge of the truth, unless it finds it by the method of experiment.”

“All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is obvious in that no one's brain rejects it; for...”

“The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.”

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”

“I'm selfish, impatient and a little insecure. I make mistakes, I am out of control and at times hard to handle. But if you can't handle me at my worst, then you sure as hell don't deserve me...”

“You've gotta dance like there's nobody watching, Love like you'll never be hurt, Sing like there's nobody listening, And live like it's heaven on earth.”

“So many books, so little time.”

“You know you're in love when you can't fall asleep because reality is finally better than your dreams.”

“The person, be it gentleman or lady, who has not pleasure in a good novel, must be intolerably stupid.”