The road to the City of Emeralds is paved with yellow brick.

. . .It is the Law that while Evil, unopposed, may accomplish terrible deeds, the power of Good can never be overthrown when opposed to Evil. . .

All the same,' said the Scarecrow, 'I shall ask for brains instead of a heart; for a fool would not know what to do with a heart if he had one.' I shall take the heart,' returned the Tin Woodman, 'for brains do not make one happy, and happiness is the best thing in the world.

How very wet this water is.

Everything in life is unusual until you get accustomed to it -The Scarecrow - The Marvellous Land Of Oz by L. Frank Baum pg 103 chapter 13

As the years pass, and we look back on something which, at the time, seemed unbelievably discouraging and unfair, we come to realize that, after all, God was at all times on our side. The eventual outcome was, we discover, by far the best solution for us, and what we thought should have been to our best advantage, would in reality have been quite detrimental.

In other words, the more stupid one is, the more he thinks he knows.