The argument from possibility holds that there must be a Being who is responsible for his creation. If he had created himself, he would have bestowed on himself all the perfection he conceives of as God. More than this, if Descartes had been the cause of his own existence, he would also be the cause of the idea of the perfect, of God, that is in his mind. To accomplish this, he would have to be the perfect being himself. This is the singular argument, but he also argues that there must be a separate Being because if he were himself the being creating this idea, he would have to h
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