"nunca diga nunca" meaning in Portuguese

{
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "phrase"
      },
      "expansion": "nunca diga nunca",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "never say never"
      ],
      "id": "en-nunca_diga_nunca-pt-phrase-lRrkQSqC",
      "links": [
        [
          "never say never",
          "never say never"
        ]
      ]
    }
  ],
  "word": "nunca diga nunca"
}

{
  "head_templates": [
    {
      "args": {
        "1": "pt",
        "2": "phrase"
      },
      "expansion": "nunca diga nunca",
      "name": "head"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese phrases"
      ],
      "glosses": [
        "never say never"
      ],
      "links": [
        [
          "never say never",
          "never say never"
        ]
      ]
    }
  ],
  "word": "nunca diga nunca"
}