Psa 89:1 I will sing of the LORD'S great love forever; with my mouth I will make your faithfulness known through all generations.
The Psalmist is teaching that God's faithfulness is founded in His unfailing love. How is it communicated to David ? Through the words of the axioms that he pronounces. The law,covenants curses statutes promises,decrees and blessings.   This communication is not like the fellowship we enjoy. These words establish God's faithfulness on the earth because they come from the mouth of God. These words endure through all generations.

Psa 89:2 I will declare that your love stands firm forever, that you established your faithfulness in heaven itself.
The axioms are declarations that control all eternity  God spoke and it was a faithful word. The axioms cannot be thwarted.

Psa 89:3 You said, "I have made a covenant with my chosen one, I have sworn to David my servant,
The axioms of law,covenant,curses,decrees statutes,and promises are the sayings of God's covenant. God will honor the sayings in a promise to His own hurt. This covenant of blessing is an eternal covenant. Now listen Covenant faithfulness does not begin with obedience of action but of observing the sayings.  God's faithfulness is not secured by our obedience but by observing His words.So David is showing faithfulness by the words from his mouth!


Psa 89:4 'I will establish your line forever and make your throne firm through all generations.'" Selah
How will God set up a throne on earth through all generations ? By a sworn covwnant! The throne of God was established as an eternal counsel  not a local one. It was the establishment of His axioms

Psa 89:5 The heavens praise your wonders, O LORD, your faithfulness too, in the assembly of the holy ones.The Psalmist is uniting the creative work of His axioms with His relational work in Governing over His church and world.

 Psa 89:6 For who in the skies above can compare with the LORD? Who is like the LORD among the heavenly beings? 89:7 In the council of the holy ones God is greatly feared; he is more awesome than all who surround him.God is governing the world like He rules in the heavens. He is the most high who rules by the axioms. The king is showing his authority by the showing that God rules creation and kingdoms by His axioms.