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21268 | Non-human things are explicable naturally, and voluntary things by the will, so God is not needed [Aquinas] |
Full Idea: All natural things can be reduced to one principle, which is nature; and all voluntary things can be reduced to one principle, which is human reason, or will. Therefore God does not exist. | |
From: Thomas Aquinas (Summa Theologicae [1265], Ia,Q02,Art3,Ob2) | |
A reaction: Not, of course, the opinion of Aquinas. So the possibility of naturalism (assuming the human will can be further reduced to nature) was a clear option in the thirteenth century. In reply Aquinas cites his Fifth Way. |