«8 It gives only illusory satisfaction to the oppressed people, and it is in this sense Marx regards religion as opium of the people. (religion-online.org)
Miłosz writes: «A true opium of the people is a belief in nothingness after death, the huge solace of thinking that for our betrayals, greed, cowardice, murders we are not going to be judged. (premierchristianity.com)
In fact, communism which was a political movement based on controlling masses banned religion based on their belief that religion was «the opium of the people.» (religion.blogs.cnn.com)