Two further points may be mentioned next in connexion with our discussion of the phenomena characterizing hypnosis, although they are only indirectly related to this topic. One is the question of whether people can be induced to commit criminal acts under hypnosis; the other how many people are capable of being hypnotized. Both are questions probably more frequently asked than any others in connexion with hypnosis. Taking the question of the production of criminal activity in hypnotized persons first, it may be said that until fairly recently the more sober writers tended to discountenance this possibility. They tended to quote the case of Charcot's young assistant who failed to induce the young hypnotized girl to take off her clothes, and to infer that, quite generally, a suggestion urging a person to act in ways which were very much counter to his moral and ethical ideas would not be carried out, but would merely lead to his awakening. There are, indeed, many observations of this kind to be found in the experimental literature, and it may be said with a reasonable degree of confidence that in many cases an explicit suggestion to do something unethical or immoral will not be carried out by the subject.