一心二门 (一心二門) yīxīn èr mén

yīxīn èr mén set phrase One mind opens two doors
Domain: Buddhism 佛教
Notes: (1) The door of suchness 心真入门 (2) the door of arising and ceasing 心生灭门; FGS translation standard: One Mind Opens Two Doors (Tzu Chuang 2012)