Psalms 71:16

¹⁴ But I will always hope and will praise You more and more.

¹⁵ My mouth will declare Your righteousness and Your salvation all day long, though I cannot know their full measure.

I will enter in the strength of the Lord GOD; I will proclaim Your righteousness—Yours alone.

¹⁷ O God, You have taught me from my youth, and to this day I proclaim Your marvelous deeds.

¹⁸ Even when I am old and gray, do not forsake me, O God, until I proclaim Your power to the next generation, Your might to all who are to come.

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

Compare

BSB: I will enter in the strength of the Lord GOD; I will proclaim Your righteousness—Yours alone.
KJV: I will go in the strength of the Lord GOD: I will make mention of thy righteousness, even of thine only.
WEB: I will come with the mighty acts of the Lord GOD. I will make mention of your righteousness, even of yours alone.
ASV: I will come with the mighty acts of the Lord Jehovah: I will make mention of thy righteousness, even of thine only.
DARBY: I will go in the might of the Lord Jehovah; I will recall thy righteousness, thine alone.
BLB: I will come in the might of the Lord YHWH; I will cause Your righteousness to be remembered—Yours alone.

ÅB: Jeg vil fremføre Herrens, Israels Guds veldige gjerninger, jeg vil prise din rettferdighet, din alene.
OTB: Jeg vil komme med Herrens Guds mektige gjerninger;
Jeg vil tale om din rettferdighet, din alene.
B1930: Jeg vil fremføre Herrens, Israels Guds veldige gjerninger, jeg vil prise din rettferdighet, din alene.

Philippians 4:13
I can do all things through Christ who gives me strength.
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Philippians 3:9
and be found in Him, not having my own righteousness from the law, but that which is through faith in Christ, the righteousness from God on the basis of faith.
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Psalms 29:11
The LORD gives His people strength; the LORD blesses His people with peace.
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Matthew 6:33
But seek first the kingdom of God and His righteousness, and all these things will be added unto you.
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Psalms 51:14
Deliver me from bloodguilt, O God, the God of my salvation, and my tongue will sing of Your righteousness.
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Zechariah 10:12
I will strengthen them in the LORD, and in His name they will walk,” declares the LORD.
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Psalms 71:24
My tongue will indeed proclaim Your righteousness all day long, for those who seek my harm are disgraced and confounded.
Read in context
Psalms 71:15
My mouth will declare Your righteousness and Your salvation all day long, though I cannot know their full measure.
Read in context