The word(s) "perseveram" appears 3 time(s) in 3 verse(s) in Quran in Portuguese (Prof. Samir El-Hayek) translation.

(1) E que perseveram no anelo de contemplar o Rosto de seu Senhor, observam a oração e fazem caridade, privativa oumanifestamente, daquilo com que os agraciamos, e retribuem o mal com o bem; estes obterão a última morada.

(سورة الرعد, Ar-Ra'd, Chapter #13, Verse #22)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) São aqueles que perseveram e se encomendam ao seu Senhor.

(سورة النحل, An-Nahl, Chapter #16, Verse #42)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(3) Que perseveram e se encomendam ao seu Senhor!

(سورة العنكبوت, Al-Ankaboot, Chapter #29, Verse #59)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)