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 of a bad desire, there are two human [acts, and not |one continuous action, there will be two sins and not one. However, the main difficulty in this question is to decide what moral interruption is sufficient and necessary to break the moral continuity in an action and to multiply the sin.

It is clear that if a person gives up his sinful design, and then returns to it again, there will be a break of continuity, and two distinct sins. Moreover, without explicitly relinquishing his evil design, there may be such an interruption in entertaining it that when it is taken up again there will be a new action and a distinct sin. The interval which is necessary for such an interruption will vary according to the nature of the act and the circumstances.

(a) In merely internal sins of thought, any complete cessation from the bad thought would seem to be sufficient to interrupt the moral continuity of the action and to multiply the sin. However, if the interval is short, and the thoughts proceed from the same impulse of passion, or one depends on another and issues from it, the moral unity will not be broken, and there will be only one sin.

(b) A determinate purpose to commit an external sin murder, for example is not multiplied by ordinary interruptions demanded by sleep, meals, or daily occupations. Such a purpose, persevered in for a week or so, would constitute only one sin. The same would hold for a longer period if the purpose were renewed at short intervals, and never retracted. If, however, it were not renewed within a short interval, mere lapse of time would eventually cause the purpose to evaporate and cease to exist, so that renewal of the purpose after a considerable interval would constitute a new and distinct sin.

It is very difficult to define precisely what interval of time would be required to break the moral continuity of the act. Much depends upon circumstances; a longer interval would be required when the act was not renewed through forgetfulness, or because no occasion of renewal presented itself; a shorter would suffice if the ceasing to entertain the sinful purpose were voluntary. No better rule can be given than that the question of time must be left to the judgement of a prudent man.

(c) If the purpose to commit sin is from time to time externalized by the taking of some means to the end in view, the act remains one and the same for a long interval of time, and such a purpose entertained for months and years under