起信論 一心 二門 一心開二門 真如門 生滅門 如來藏 真心 妄心 自性清淨心 The awakening of faith One mind Two aspects One mind has two aspects The aspect of mind in terms of the absolute Tathata or suchness The aspect of mind in terms of phenomena Sams嫫a or birth and death The true mind The deluded mind The mind pure in its self-nature