1. "Books are a narcotic."
- Quote by Franz Kafka
3. "Luxury is a motivational narcotic."
- Daniel Coyle, The Little Book of Talent: 52 Tips for Improving Your Skills
4. "Despair is a narcotic. It lulls the mind into indifference."
- Quote by Charlie Chaplin
5. "If only religion were an opiate. No known narcotic rots the brain so fast."
- Christopher Hitchens, The Quotable Hitchens from Alcohol to Zionism: The Very Best of Christopher Hitchens
8. "Every form of addiction is bad, no matter whether the narcotic be alcohol, morphine or idealism."
- Quote by C.G. Jung