Definition of 会者定離 (えしゃじょうり)

expression
•
those who meet must part (suggesting the transient nature of this life), we meet only to part(yojijukugo)
Related Kanji
会 meeting, meet, party, association, interview, join
者 someone, person
定 determine, fix, establish, decide
離 detach, separation, disjoin, digress