백제 무왕이 어느 날 부인과 함께 사자사(師子寺)에 가던 도중 용화산 밑 연못에서 미륵삼존(彌勒三尊)을 만나 수레를 멈추고 절을 올렸다.
King Mu of Baekje was on his way to Sajasa temple with his wife when he met Maitreyasamjon at a pond beneath Yonghwasan mountain, and he stopped his wagon from giving a bow.