废三显一 (廢三顯一) fèi sān xiǎn yī

fèi sān xiǎn yī set phrase to set aside the three and establish the One [vehicle]
Domain: Buddhism 佛教 , Subdomain: China
Notes: Referring to a parable in the Lotus Sutra; closely related to the Tiantai expression 廢權立實 'set aside the provisional [teaching] and establish the real' (FGDB '廢權立實')