"People of good character are not all going to come down on the same side of difficult political and social issues. Good people - people of character and moral literacy - can be conservative, and good people can be liberal. We must not permit our disputes over thorny political questions to obscure the obligation we have to offer instruction to all our young people in the area in which we have, as a society, reached a consensus: namely, on the importance of good character, and some of its pervasive particulars."