Al-Ahqaf 46:7

Wa-itha tutla AAalayhim ayatunabayyinatin qala allatheena kafaroo lilhaqqilamma jaahum hatha sihrun mubeen

And when Our verses are recited to them as clear evidences, those who disbelieve say of the truth when it has come to them, "This is obvious magic."

When Our verses are recited to them in all their clarity, the disbelievers say about the truth when it comes to them, “This is an open magic.”