यथा सोम्यैकेन लोहमणिना सर्वं लोहमयं विज्ञातँ स्याद्वाचारम्भणं विकारो नामधेयं लोहमित्येव सत्यम् ॥ ५ ॥
In plain words
Just as, dear one, by knowing a single piece of iron all iron-work is known—modification being merely a verbal handle and a name, iron alone is real.
Close to the Sanskrit
Just as, dear one, by a single iron nugget everything made of iron is known—modification being a word-origin, a mere name, iron alone is true.