Passage
Let the heavens be glad, and let the earth rejoice: and let men say among the nations, The LORD reigneth.
1 Chronicles 16:31 (KJV)
Nearby Context
1 Chronicles 16:29 Give unto the LORD the glory due unto his name: bring an offering, and come before him: worship the LORD in the beauty of holiness.
1 Chronicles 16:30 Fear before him, all the earth: the world also shall be stable, that it be not moved.
1 Chronicles 16:31 Let the heavens be glad, and let the earth rejoice: and let men say among the nations, The LORD reigneth.
1 Chronicles 16:32 Let the sea roar, and the fulness thereof: let the fields rejoice, and all that is therein.
1 Chronicles 16:33 Then shall the trees of the wood sing out at the presence of the LORD, because he cometh to judge the earth.
Study Lenses
The verse centers on "heavens", "glad", "earth", "rejoice", "nations", "lord", and "reigneth". It is saying that the verse draws attention to "heavens" and "glad", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 30's "Fear before him all the earth the..." into verse 32's "Let the sea roar and the fulness...", so "heavens" and "glad" belong inside that flow. In 1 Chronicles context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "heavens" and "glad" with trust shaped by these words, not by a vague optimism outside the passage.