肇論新疏 3.241

3.241

初二句，顯心境無相。次四句，明心境兩亡。次四句，心境冥一。怕爾下，結離心思。圖度，思慮也。

The first two clauses reveal that mind and object are markless. The next four clauses clarify that both mind and object are forgotten. The next four clauses show that mind and object are darkly unified. From "serenely" downward concludes on leaving mental conceptualization behind. "Conceptual calculation" means thought and deliberation.