i need examples of utopia and knowledge versus ignorance.

.
Go to the main Bradbury website...(this is an early rendition)...and there you will find a search engine. Simply type in the keywords... in your instance they are the words 'Utopia'...'Ignorance'...or perhaps a phrase if you wish... And the Bradbury search engine will go thru every single posting on the Bradbury website (and there are thousands)...that have anything to do with those words. You may find what you are looking for this way. Good luck!

Click on The Main Bradbury website : http://www.raybradbury.com