That approach pretty clearly isn't going to work for souls, because a soul--and again, we've got in mind this metaphysical view, according to which it's something immaterial-- isn't something we see.

但这种方法显然不能用来证明灵魂的存在,因为灵魂,我再一次说明,从这种形而上学的角度来看,灵魂是非物质实体,我们看不到它

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