Verse 46

अभावितं ब्रह्मतया ब्रह्माज्ञानमलं भवेत् ।अभावितं हेमतया यथा हेम च मृद्भवेत्

In plain words

Brahman, not conceived of as Brahman, becomes ajñāna entirely -- just as gold, not conceived of as gold, would become mere clay.