tv anayos tattva-darśibhiḥ

na-never; asatah-of the nonexistent; vidyate-there is; bhavah-endurance; na-never; abhavah-changing quality; vidyate-there is; satah-of the eternal; ubhayoh-of the two; api-verily; drstah-observed; antah-conclusion; tu-but; anayoh-of them; tattva-truth; darsibhih-by the seers.