And as a bird each fond endearment tries To tempt its new-fledg'd offspring to the skies, He tried each art, reprov'd each dull delay, Allur'd to brighter worlds, and led the way.
Oliver Goldsmith[T]here are depths of thousands of miles which are hidden from our inquiry. The only tidings we have from those unfathomable regions are by means of volcanoes, those burning mountains that seem to discharge their materials from the lowest abysses of the earth.
Oliver Goldsmith