That is all that makes life worth our while--to do good deeds and to help those less fortunate than ourselves." "Well, you're a fairy, Ozma.

Aren't you happy ?" asked Dorothy.
"Yes, dear, because I can use my fairy powers to make others happy.

Had I no kingdom to rule, and no subjects to look after, I would be miserable.

Also, you must realize that while I am a more powerful fairy than any other inhabitant of Oz, I am not as powerful as Glinda the Sorceress, who has studied many arts of magic that I know nothing of.
Even the little Wizard of Oz can do some things I am unable to accomplish, while I can accomplish things unknown to the Wizard.

This is to explain that I'm not all-powerful, by any means.