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

(1) The chiefs of those who disbelieved from among his people said: Most surely we see you in folly, and most surely we think you to be of the liars.

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #66)
(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) He said: O my people! there is no folly in me, but I am an apostle of the Lord of the worlds.

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #67)
(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)