Philippians 2:12
Therefore, my beloved, as you have always obeyed, so now, not only as in my presence but much more in my absence, work out your salvation with fear and trembling;
Hebrews 4:1-2
Therefore, while the promise of entering his rest remains, let us fear lest any one of you be judged to have come short of it.
Hebrews 12:25
See to it that you do not refuse him who is speaking. For if they did not escape when they refused him who warned them on earth, how much less shall we escape, if we turn away from him who warns us from heaven?
Hebrews 12:28-29
Therefore, since we are receiving a kingdom that cannot be shaken, let us be thankful, and offer to God acceptable worship with reverence and awe,