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

Time is given us to be happy and for no other reason [...] When we waste time, we waste happiness.

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

Imagination has given us the steam engine, the telephone, the talking-machine, and the automobile, for these things had to be dreamed of before they became realities. So I believe that dreams - day dreams, you know, with your eyes wide open and your brain machinery whizzing - are likely to lead to the betterment of the world. The imaginative child will become the imaginative man or woman most apt to create, to invent, and therefore to foster civilization. A prominent educator tells me that fairy tales are of untold value in developing imagination in the young. I believe it.

I can't give you a brain, but I can give you a diploma.

It is kindness that makes one strong and brave; and so we are kind to our prisoners.

A curious thing about Ugu the Shoemaker was that he didn't suspect in the least that he was wicked. He wanted to be powerful and great, and he hoped to make himself master of all the Land of Oz that he might compel everyone in that fairy country to obey him, His ambition blinded him to the rights of others, and he imagined anyone else would act just as he did if anyone else happened to be as clever as himself.