  Why should we believe that human beings have moral liberty, i.e. why should we think that we are endowed with power to produce our actions? We have reason to think that we are not the efficient causes of our own behavior. Our actions seem to come about according to psychological laws linking them to prior motives for action. Jealous, generous, prideful and benevolent motives lead in apparently law-like ways to various characteristic behaviors. If it is a fact that our conduct comes about according to laws, then it seems that the author of the laws, if there is one, is the real author of our actions. 