" Among a number of interesting findings, this work reveals that young people differ widely among themselves in whether they define drug use as primarily a moral or a prudential issue, with further variations according to age and drug type. Defining drug use as a prudential issue is not in itself associated with less use, because use is relatively strong among those who think of it in terms of personal autonomy. Drug use is typically less prevalent among those who think of it as a moral issue—as young people tend to do for harder drugs—and among those who consider it prudential and are concerned about its future personal consequences, the truly prudent. "

― , Character Strengths and Virtues: A Handbook and Classification