II Peter 3:11, 14, 17

Therefore, since all these things will be dissolved, what manner of persons ought you to be in holy conduct and godliness

Therefore, beloved, looking forward to these things, be diligent to be found by Him in peace, without spot and blameless

You therefore, beloved, since you know this beforehand, beware lest you also fall from your own steadfastness, being led away with the error of the wicked