See also the Google Saffron search engine linked to in my signature. A search on the Kalama Sutta will yield several interesting results. Be aware though there are some terrible misrepresentations of the Kalama Sutta out there, so be careful with any that take liberties to re-write it according to their own agenda. The one Ben links to is fine.
“I hope, Anuruddha, that you are all living in concord, with mutual appreciation, without disputing, blending like milk and water, viewing each other with kindly eyes.” (MN 31)
What is the final conviction that comes when radical attention is razor-edge sharp? That the object of the mind is mind-made (manomaya). (Ven. Ñāṇananda)
"If you have always believed that everyone should play by the same rules and be judged by the same standards, that would have gotten you labeled a radical 50 years ago, a liberal 25 years ago and a racist today." (Thomas Sowell)