Verse 20

येन शास्त्रविचारेण ब्रह्मतत्त्वं प्रबुद्ध्यते ।तद्भानमुच्यते ज्ञेयादभिन्नमिव संस्थितम्

In plain words

That śāstra-vicāra by which the truth of Brahman is awakened to — that is called bhāna, standing as though not different from the knowable.