I worry that people are now so illiterate that they do not recognize that the "render unto Caesar…" quote is a historical basis for the division between church

I worry that people are now so illiterate that they do not recognize that the "render unto Caesar…" quote is a historical basis for the division between church and state in the Christian world. Astonishingly, they view the Government citing the quote – the origin of separation – as a threat to separation!