2 Peter 3:17

Therefore let him who thinks he stands take heed that he does not fall.

You have been severed from Christ, you who are being justified by law; you have fallen from grace!

Therefore, brothers, be all the more diligent to make your calling and choosing sure; for in doing these things, you will never stumble;

and if He rescued righteous Lot, oppressed by the sensual conduct of unprincipled men

This is now, beloved, the second letter I am writing to you in which I am stirring up your sincere mind by way of reminder,