Al-Qalam 68:51

Wa-in yakadu allatheenakafaroo layuzliqoonaka bi-absarihim lamma samiAAooaththikra wayaqooloona innahu lamajnoon

And indeed, those who disbelieve would almost make you slip with their eyes [i.e., looks] when they hear the message, and they say, "Indeed, he is mad."

And indeed the disbelievers seem to trip you up with their glances when they hear the Reminder, and say, “He is a madman indeed.”