यथा सोम्यैकेन नखनिकृन्तनेन सर्वंकार्ष्णायसं विज्ञातँ स्याद्वाचारम्भणंविकारो नामधेयं कृष्णायसमित्येव सत्य-मेवँ सोम्य स आदेशो भवतीति ॥ ६ ॥
In plain words
Just as, dear one, by a single nail-clipper all iron objects are known—modification being merely a word and a name, while iron alone is real—so indeed, dear one, is that instruction.
Close to the Sanskrit
Just as, dear one, by a single nail-clipper all iron-work would be known—modification being a word-origin, a mere name, iron alone is true—thus, dear one, is that instruction.