To a census-taker, who asked him in 1872 if he was a Catholic, Hugo replied, "No. A Freethinker." Hugo predicted that Christianity would soon disappear, but men would still believe in God.
“To say that I am not a "fan" of organized religion is putting it mildly. To be an atheist is almost as arrogant as to be a fundamentalist. But, then again, I can get pretty arrogant.”