Az-Zumar 39:54

Waaneeboo ila rabbikum waaslimoo lahumin qabli an ya/tiyakumu alAAathabu thumma la tunsaroon

And return [in repentance] to your Lord and submit to Him before the punishment comes upon you; then you will not be helped.

Turn passionately towards your Lord, and submit to Him before the punishment comes to you, after which you will not be helped.