Phrase: "A foregone conclusion" /fɔ:'gɔn kən'klu:ʒn/

Explanation: a result of a fact, action, situation that is obvious to come even before it's end; something inevitable (неизбежно е)

Origin: "Othello", 1604

Scene:  Действие III, сцена III

Original text:

Othello: But this denoted a foregone conclusion: 'Tis a shrewd doubt, though it be but a dream.