All are indemonstrable and cannot be less sure than the body of doctrine that flows from them. [Please select]
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That which certifies to the highest indemonstrable principles is a feeling, a belief, an instinct of nature: _les principes se sentent_. [Please select]
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_, of the indemonstrable yet indubitable principles, is fully the peer of the sensibility and the understanding. [Please select]
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The permanence of the soul, therefore, as an object of the internal sense, remains undemonstrated, nay, even indemonstrable. [Please select]
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