The more one knows, the luckier he is, for knowledge is the greatest gift in life.
But you will admit that it's a good thing to be alive.
I shall take the heart. For brains do not make one happy, and happiness is the best thing in the world.
My world, my world... How can such a good little girl like you destroy all of my beautiful wickedness. - Wicket Witch of the North
No Queen with a frozen heart is fit to rule any country.
"It must be inconvenient to be made of flesh," said the Scarecrow thoughtfully, "for you must sleep, and eat and drink. However, you have brains, and it is worth a lot of bother to be able to think properly."