Sentence:  Do not argue with me. Argue with these stones. / Truth has no trouble in knowing itself. / That is it. The hard fact. The <WSD>inoppugnable</WSD> reality, / Here is something for you to digest. / Eat this and we'll see what appetite you have left / For a world hereafter. 
Meaning of the word marked with <WSD> tags:  (rare) Indisputable, incontestable, unquestionable.