1. "Marxism is the opium of the intellectuals"
- Quote by Edmund Wilson
3. "Religion is opium for the masses"
- Quote by Nikos Kazantzakis
6. "Religion is the opium of the poor"
- Quote by Ernest Hemingway
7. "Here's your first problem," he said, pointing at a sentence. "'Religion is the opium of the people.' Well, I don't know about people, but I think you'll find that the opium of pirates is actual opium."
- Gideon Defoe, The Pirates! In an Adventure with Communists
8. "Opium had artistic significance, you know. Picasso smoked. He said the scent of opium was the least stupid smell in the world, except for that of the sea."
- John Baxter, The Most Beautiful Walk in the World: A Pedestrian in Paris