अच्छत्वादसदाभासः संविद्रूपतया तु सत् ।आत्मा सर्वपदातीतः स्वानुभूत्यानुभूयते
In plain words
Because of its very clarity it seems to be unreal, yet by nature of being saṃvit, it truly is. The ātman, beyond all categories, is known only through experience of itself.