During the past week the news media mentioned The Pew Forum’s U.S. Religious Knowledge Survey. This morning the full Survey is available in PDF here.
The warning of the prophet Hosea seems appropriate.
My people are destroyed for lack of knowledge; because you have rejected knowledge, I reject you from being a priest to me. And since you have forgotten the law of your God, I also will forget your children. (Hosea 4:6 ESV)