Al-Furqan 25:52

فَلَا تُطِعِ ٱلْكَـٰفِرِينَ وَجَـٰهِدْهُم بِهِۦ جِهَادًا كَبِيرًا

Falā tuṭiʿi l-kāfirīna wajāhid'hum bihi jihādan kabīran

So do not obey the disbelievers, and strive against them with it [i.e., the Qur’ān] a great striving.