Sentence:  the great Recompence in view, for which the most exalted Minds have with so much Alacrity, sacrifis'd their Quiet, Health, sensual Pleasures, and every inch of themselves, has never been any thing else but the Breath of Man, the <WSD>Aerial</WSD> Coyn of Praise. 
Meaning of the word marked with <WSD> tags:  Ethereal, insubstantial; imaginary. (from 16th c.)