Surah Az-Zukhruf — Ayah 79 (43:79)

English translation (Saheeh International)

Or have they devised [some] affair?¹ But indeed, We are devising [a plan].

1. - Conspiracy against the Prophet (ﷺ). The reference here is to the disbelievers of Makkah.

Brief commentary

So, if they plot against the Prophet (peace be upon him) and hatch an evil plan against him, I will indeed, hatch a plan against them which will be greater than theirs.