Surah Yusuf, ayah 103

وَمَآ أَكۡثَرُ ٱلنَّاسِ وَلَوۡ حَرَصۡتَ بِمُؤۡمِنِينَ ١٠٣

Wamā aktharun-nāsi walaw harasta bimu'minīn

And most of the people, although you strive [for it], are not believers.