Al-Furqan 25:52

Fala tutiAAi alkafireenawajahidhum bihi jihadan kabeera

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

So, (O Prophet,) do not obey the infidels, and strive against them with it (the Qur’ān), in utmost endeavor.