摩訶止觀 3.150

3.150

又凡夫兩失，是思議失；二乘一得一失，俱是思議；菩薩兩得，俱不思議。此約通教辯得失。

Furthermore, the ordinary person's two losses are conceivable losses; the two vehicles' one attainment and one loss are both conceivable; the bodhisattva's two attainments are both inconceivable. This distinguishes attainment and loss in terms of the shared teaching.