Philippians 2:12
Wherefore, my beloved, as ye have always obeyed, not as in my presence only, but much more now in my absence, work out your own salvation with fear and trembling.
Hebrews 4:1-2
Let us therefore fear, lest a promise being left us of entring into his rest, any of us should altogether come short of it.
Hebrews 12:25
for if they escaped not who refused him that delivered the oracle on earth, much more shall not we, who turn away from him that speaketh from heaven:
Hebrews 12:28-29
Therefore we receiving a kingdom which cannot be shaken, let us hold fast the grace, whereby we may serve God acceptably, with reverence and godly fear.