Philippians 2:12
So, my dear friends, as you have always been obedient, with reverence and awe make every effort to insure your salvation, not simply as though I were with you, but all the more because I am away.
Hebrews 4:1-2
We ought therefore to fear that when the promise of admission to his Rest is still open, some one of you may be found to have failed to reach it.
Hebrews 12:25
Take care not to refuse to listen to him who is speaking. For if they could not escape because they would not listen to him who warned them here on earth, how much less can we, who reject him who is from heaven!
Hebrews 12:28-29
Let us, therefore, be thankful that the kingdom given to us cannot be shaken, and so please God by worshiping him with reverence and awe;