“The Scarecrow: The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side. Oh joy! Rapture! I got a brain! How can I ever thank you enough? The Wizard of Oz: Well, you can't.”
— Noel Langley, Florence Ryerson, Edgar Allan Woolf, The Wizard of Oz, Frank Morgan, imdb.com