Al-Furqaan 52

فَلَا تُطِعِ ٱلْكَٰفِرِينَ وَجَٰهِدْهُم بِهِۦ جِهَادًا كَبِيرًا ﴿٥٢﴾

Fala tutiAAi alkafireena wajahidhum bihi jihadan kabeeran

So obey not the disbelievers, but strive against them (by preaching) with the utmost endeavour, with it (the Quran). The Noble Quran