"Some people have said that the aggressiveness that alcohol stimulates, and that is certainly the characteristic of alcohol, is consistent with Western values and Western culture, whereas, for example, the more introspective, meditative, reverie kind of state that marijuana produces, or opium produces, seems more consistent with some of the Eastern cultures than with Western cultures, and maybe some of our discomfort with those drugs has to do with that feeling that this is culturally out of sync with us."