独尊儒术 (獨尊儒術) dú zūn rúshù

dú zūn rúshù set phrase dismiss the hundred schools, revere only the Confucians
Domain: Idiom 成语
Notes: Slogan of the Former Han dynasty (CC-CEDICT '獨尊儒術')

Also contained in

罢黜百家,独尊儒术