Shared ground
These verses present praise as something that expands outward. The psalm pictures all that Yahweh has made giving him thanks, while his “saints” (his faithful people) give voice to that praise in a direct, spoken way (v.10). What they say centers on Yahweh’s reign: its glory, its majesty, and his power shown in “mighty acts” (vv.11–12).
A second shared emphasis is scope. The audience is not restricted to the worshiping community. The speech is aimed at making God’s mighty acts known to “the sons of men,” meaning people in general (v.12). The unit ends by stressing time: Yahweh’s kingdom is everlasting, and his dominion continues through every generation (v.13).
Where interpretation differs
Two phrases carry most of the interpretive weight.
First, “all your works will give thanks” (v.10). Some read this as poetic personification: creation “gives thanks” by being what it is, displaying its maker’s greatness. Others think the line includes all God’s deeds in history (not only nature), so “works” refers to what God has done, and “thanks” is the human response those deeds evoke.
Second, “your saints” (v.10). Some take this to mean the whole covenant community in its ideal calling (God’s faithful people). Others hear a narrower group within the community—those especially devoted—who lead the praise described in vv.11–12.
Why the disagreement exists
The Hebrew wording allows more than one natural sense for “works” (created things or deeds) and “saints” (the faithful generally or a subset). Also, the poem moves quickly from universal language (“all your works,” “sons of men,” “all generations”) to the specific voice of the faithful (“your saints,” “they will speak”), which invites readers to ask how these circles relate.
What this passage clearly contributes
Explicitly, the text claims that (1) Yahweh receives thanks from all his works, (2) his faithful people extol him, (3) their public talk centers on the glory of his kingdom and his power, (4) this talk aims at making God’s mighty acts known to all people, and (5) Yahweh’s kingdom and dominion endure forever and across every generation (vv.10–13). Theological inferences that fit the passage include: God’s reign is presented as not fragile or time-bound; praise is portrayed as both worship and announcement; and knowledge of God’s reign is not meant to remain private within the faithful community.