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general::
Phrase(s): (the) be-all and (the) end-all
Cliché something that is the very best or most important; something so good that it will end the search for something better. • Finishing the building of his boat became the be-all and end-all of Roger’s existence. • Sally is the be-all and the end-all of Don’s life.
McGrawhill's American Idioms And Phrasal Verbs