Jude (Judah) 1:23-24

and snatch others out of the fire to save them. Be merciful over and over to them, but always couple your mercy with the fear of God. Be extremely careful to keep yourselves free from the pollutions of the flesh. Now, to the one with enough power to prevent you from stumbling into sin and bring you faultless before his glorious presence to stand before him with ecstatic delight