I don't have my copy with me. A little searching told me it appears in Chapter 6, although I do remember it being mentioned several times elsewhere.
- "One cubic centimeter cures ten gloomy sentiments."
- Aldous Huxley, Brave New World, Ch. 6 - "A gramme is better than a damn."
- Aldous Huxley, Brave New World, Ch. 6
Quote 18: "A gramme is better than a damn." Lenina, Chapter 6, Part 1, pg. 89