https://endic.naver.com/search.nhn?sLn=en&searchOption=all&query=%EA%B3%B5%EC%88%98%EB%9E%98%EA%B3%B5%EC%88%98%EA%B1%B0 come empty, return empty", the vanity of life

It is a hanja(Chinease character) version of 빈 손으로 와서 빈 손으로 간다 (Come empty-handed and go empty-handed), meaning we're born naked, and leave the world with no possession or companion. 공(空)=비다=empty, 수(手)=손=hand, 래(來)=오다=come, 거(去)=가다=go.