Secularism: the cause of crime, immorality and war.
With thanks for the tip to Michael S, by way of Tod Brilliant.
Here are some of the surveys the author may have based his strip on:
“We need to understand the inadequacy of an educational system so slanted towards material values. The solution is not to give an occasional lecture, but to integrate ethics into the educational curriculum. To do this effectively requires a secular ethics, free of religious influence, based on common sense, a realistic view and scientific findings.” ~ Dalai Lama