be-all and end-all
Самое важное For some people, competing is the be-all and end-all of their running. — Для некоторых чувство соперничества — самое важно в жизни.
Самое важное For some people, competing is the be-all and end-all of their running. — Для некоторых чувство соперничества — самое важно в жизни.