Great is the Lord, and greatly to be praised - See Psalms 96:4, note; Psalms 18:3, note.
And his greatness is unsearchable - See Job 5:9, note; Job 9:10, note; Job 11:7-8, notes.
Related Commentaries of Psalms 145:3
Psalms 145:3
3 Great is the LORD, and greatly to be praised; and his greatness is unsearchable.