The word(s) "exert" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) Therefore whoever shall do of good deeds and he is a believer, there shall be no denying of his exertion, and surely We will write (It) down for him.

(سورة الأنبياء, Al-Anbiyaa, Chapter #21, Verse #94)
(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) And most certainly We will try you until We have known those among you who exert themselves hard, and the patient, and made your case manifest.

(سورة محمد, Muhammad, Chapter #47, Verse #31)
(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)