Sentence:  ... Whereas the Truth-finder, having raked out that <WSD>"Jakes</WSD>" his own Mind, and being there capable of tracing no Ray of Divinity, nor any thing virtuous, or good, or lovely, or loving, very fairly, honestly, and logically concludes, that no such things exist in the whole Creation. 
Meaning of the word marked with <WSD> tags:  (Irish) A place to urinate and defecate: an outhouse or lavatory.