il fine giustifica i mezzi significa in inglese

the end justifies the means▼(morally wrong actions are sometimes necessary)
phrase
[UK: ðə end ˈdʒʌ.stɪ.faɪz ðə miːnz] [US: ðə ˈend ˈdʒʌ.stə.ˌfaɪz ðə ˈmiːnz]