My people have been wearing green glasses on their eyes for so long that most of them think this really is an Emerald City.

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

It is worth a lot of bother to be able to think properly.

"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."

Unless one can think wisely it is better to remain a dummy.

The Scarecrow watched the Woodman while he worked and said to him "I cannot think why this wall is here nor what it is made of." "Rest you brains and do not worry about the wall," replied the Woodman, "when we have climbed over it we shall know what is on the other side.

If we didn't want anything, we would never get anything, good or bad. I think our longings are natural, and if we act as nature prompts us we can't go far wrong.

It isn't what we are, but what folks think we are, that counts in this world.

Some people without brains do an awful lot of talking, don't you think?