Psalms 21:7

⁵ His glory is great in thy salvation: honour and majesty hast thou laid upon him.

⁶ For thou hast made him most blessed for ever: thou hast made him exceeding glad with thy countenance.

For the king trusteth in the LORD, and through the mercy of the most High he shall not be moved.

⁸ Thine hand shall find out all thine enemies: thy right hand shall find out those that hate thee.

⁹ Thou shalt make them as a fiery oven in the time of thine anger: the LORD shall swallow them up in his wrath, and the fire shall devour them.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: For the king trusts in the LORD; through the loving devotion of the Most High, he will not be shaken.
KJV: For the king trusteth in the LORD, and through the mercy of the most High he shall not be moved.
WEB: For the king trusts in the LORD. Through the loving kindness of the Most High, he shall not be moved.
ASV: For the king trusteth in Jehovah; And through the lovingkindness of the Most High he shall not be moved.
DARBY: For the king confideth in Jehovah: and through the loving-kindness of the Most High he shall not be moved.
BLB: For the king trusts in YHWH, and in the loving devotion of the Most High he shall not be shaken.

ÅB: For kongen setter sin lit til Herren,
og på grunn av den Høyestes trofasthet skal han ikke rokkes.
OTB: For kongen har tro på Herren,
Og gjennom Den Høyestes trofasthet skal han forbli urokkelig.
B1930: For kongen setter sin lit til Herren, og ved den Høiestes miskunnhet skal han ikke rokkes.

Psalms 16:8
I have set the LORD always before me: because he is at my right hand, I shall not be moved.
Read in context
Psalms 91:2
I will say of the LORD, He is my refuge and my fortress: my God; in him will I trust.
Read in context
Psalms 20:7–8
Some trust in chariots, and some in horses: but we will remember the name of the LORD our God.
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Daniel 7:14
And there was given him dominion, and glory, and a kingdom, that all people, nations, and languages, should serve him: his dominion is an everlasting dominion, which shall not pass away, and his kingdom that which shall not be destroyed.
Read in context
Psalms 26:1
Judge me, O LORD; for I have walked in mine integrity: I have trusted also in the LORD; therefore I shall not slide.
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Psalms 9:2
I will be glad and rejoice in thee: I will sing praise to thy name, O thou most High.
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Psalms 18:2
The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
Read in context
1 Samuel 30:6
And David was greatly distressed; for the people spake of stoning him, because the soul of all the people was grieved, every man for his sons and for his daughters: but David encouraged himself in the LORD his God.
Read in context