Psalms are different in content . Usually psalms are songs or prayers meant to glorify the Lord.
Some of them are used in specific situations , like in an celebration. For example there were specific psalms for easter.
But "All scripture is given by inspiration of God" (2 Timothy 3:16). So all the psalms are the Word of God "and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: That the man of God may be perfect, throughly furnished unto all good works. (2 Timothy 3:16-17)
We might not know all the reasons God written the psalms, but what I mentioned above is the main thing that we do know.
King David did not write the entire book of Psalms.He did write a lot of them.
another answer
He wrote all of them in one book for posterity, though some of them had originally been uttered by other people.
David wrote Psalms 8 to proclaim the majesty of God, the Omnipotence the Omnipresence, the awesomeness of God compared to the insignificance of man, and yet how God created man just a little lower than Himself and was mindful of man, so much so that He gave authority over all creation, and yet in its simplicity even a child can understand and worship God.
It is a Psalm of lament. David is near panic-stricken and implores God to save him. Psalm 71 shows David's deep trust in God even from his youth to the time of this Psalm when he is in his old age. Enemies abound and he is not the fearsome warrior of yesterday though even then he fully trusted in God's deliverance for him and Israel.
Although David may not have written it, Psalm 138 is one of the oldest psalms in The Bible, because it is explicitly polytheistic - the author will worship God first, but declaring there are other gods ('elohim) who may be worshipped. God is thus the supreme god and Psalm 138 is a hymn of praise: Psalm 138:1 (NAB) "I thank you, LORD [YHWH], with all my heart; before the gods to you I sing".
The Hebrew word 'elohim only refers to God when used in a singular context or with a singular verb; other wise it is the plural form, 'gods'. Because of the embarrassment this early psalm causes, the word is often translated here as 'mighty' and elsewhere as 'angels'.
[A Psalm] of David. I will give You thanks with my whole heart, in the presence of the mighty I will sing praises unto You.
I will bow down toward Your holy Temple, and give thanks unto Your name for Your mercy and for Your truth, for You have magnified Your word above all Your name.
In the day that I called, You answered me; You encouraged me in my soul with strength.
All the kings of the earth shall give You thanks, O Lord, for they have heard the words of Your mouth.
They shall sing of the ways of the Lord; for great is the glory of the Lord.
For though the Lord be on high, yet He regards the lowly, and the haughty He knows from afar.
Though I walk in the midst of trouble, You give me life; You stretch forth Your hand against the wrath of my enemies, and Your right hand saves me.
The Lord will accomplish for my benefit; Your mercy, O Lord, endures forever; do not forsake the work of Your hands.
David wrote this Psalm as Thanksgiving to God, who had saved him from his enemies many times.
Note that the word "elohim" (verse 1) does not mean "gods" (that is a KJV mistranslation).
As in many other instances (see Exodus 21 in the Hebrew), it refers to judges, authorities, or other powerful people.
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David wrote the psalms because he wanted other people to read it and maybe it helped others with his stories it will teach other people lessons that's what i think.
To express his absolute trust in God even as his enemies tried to harass him.
Psalms were mainly written in praise, thanksgiving and in repentance by david.
The book of Psalms has many of king davids psalms.
King David wrote the book of Psalms. Many of the Psalms are incorportated into the daily and sabbath prayers.
David wrote the Psalms.
According to traditional chronology, it was in the middle of the ninth century BCE.
King David did not write any books of the Bible. He did write around seventy of the Psalms in the Book of Psalms. Many Bibles will identify them as such.
Psalms of David is a section in The Book of Psalms. Typically it's simply referred to as Psalms. Psalms is a section of the Old Testament or Hebrew Bible. Psalms is a key section of the Old Testament for the Jewish faith.
Yes David wrote Psalm 53.
The psalms were written at different times, either to praise, or for thanksgiving, or for repenting.
No, Paul did not write the book of Psalms. The majority of the Psalms are traditionally attributed to King David, with others written by various authors. Paul primarily wrote letters, or epistles, in the New Testament.
The book of Psalms credits King David as authoring about half of the book of Psalms, other authors credited in the book are Moses, Solomon, Herman, Ethan, the sons of Korah, and the sons of Asaph. About a third of the psalms have no author's name prefixed to them. They all were complied together in to the book of Psalm by an unknown priest or rabbi at a later time.
because he loved god
The book of Psalms in the Bible includes many religious poems attributed to King David.