Luke 12:5

but I will show to you, whom ye may fear; Fear him who, after the killing, is having authority to cast to the gehenna; yes, I say to you, Fear ye Him.

Psalm 9:17

The wicked do turn back to Sheol, All nations forgetting God.

Matthew 10:28

'And be not afraid of those killing the body, and are not able to kill the soul, but fear rather Him who is able both soul and body to destroy in gehenna.

2 Peter 2:4

For if God messengers who sinned did not spare, but with chains of thick gloom, having cast them down to Tartarus, did deliver them to judgment, having been reserved,

Proverbs 14:26

In the fear of Jehovah is strong confidence, And to His sons there is a refuge.

Jeremiah 5:22

Me do ye not fear, an affirmation of Jehovah? From My presence are ye not pained? Who hath made sand the border of the sea, A limit age-during, and it passeth not over it, They shake themselves, and they are not able, Yea, sounded have its billows, and they pass not over.

Jeremiah 10:7

Who doth not fear Thee, king of the nations? For to Thee it is becoming, For among all the wise of the nations, And in all their kingdom there is none like Thee.

Matthew 5:22

but I -- I say to you, that every one who is angry at his brother without cause, shall be in danger of the judgment, and whoever may say to his brother, Empty fellow! shall be in danger of the sanhedrim, and whoever may say, Rebel! shall be in danger of the gehenna of the fire.

Matthew 25:41

Then shall he say also to those on the left hand, Go ye from me, the cursed, to the fire, the age-during, that hath been prepared for the Devil and his messengers;

Matthew 25:46

And these shall go away to punishment age-during, but the righteous to life age-during.'

Mark 13:23

and ye, take heed; lo, I have foretold you all things.

1 Thessalonians 4:6

that no one go beyond and defraud in the matter his brother, because an avenger is the Lord of all these, as also we spake before to you and testified,

Hebrews 10:31

fearful is the falling into the hands of a living God.

Revelation 14:7

saying in a great voice, 'Fear ye God, and give to Him glory, because come did the hour of His judgment, and bow ye before Him who did make the heaven, and the land, and sea, and fountains of waters.'

Revelation 15:4

who may not fear Thee, O Lord, and glorify Thy name? because Thou alone art kind, because all the nations shall come and bow before Thee, because Thy righteous acts were manifested.'

Revelation 20:14

and the death and the hades were cast to the lake of the fire -- this is the second death;

Treasury of Scripture Knowledge

Summary

But I will forewarn you whom ye shall fear: Fear him, which after he hath killed hath power to cast into hell; yea, I say unto you, Fear him.

General references

Bible References

Forewarn

Mark 13:23
and ye, take heed; lo, I have foretold you all things.
1 Thessalonians 4:6
that no one go beyond and defraud in the matter his brother, because an avenger is the Lord of all these, as also we spake before to you and testified,

Power

Psalm 9:17
The wicked do turn back to Sheol, All nations forgetting God.
Matthew 10:28
'And be not afraid of those killing the body, and are not able to kill the soul, but fear rather Him who is able both soul and body to destroy in gehenna.
Matthew 25:41
Then shall he say also to those on the left hand, Go ye from me, the cursed, to the fire, the age-during, that hath been prepared for the Devil and his messengers;
2 Peter 2:4
For if God messengers who sinned did not spare, but with chains of thick gloom, having cast them down to Tartarus, did deliver them to judgment, having been reserved,
Revelation 20:14
and the death and the hades were cast to the lake of the fire -- this is the second death;

General references

Psalm 89:7
God is very terrible, In the secret counsel of His holy ones, And fearful over all surrounding Him.
Psalm 90:11
Who knoweth the power of Thine anger? And according to Thy fear -- Thy wrath?