Complete 2 Chronicles 16:9: "For the eyes of the LORD roam to and fro over all the…"

Answer: Earth

Hanani the seer told Asa that God shows Himself strong for those fully devoted to Him, rebuking Asa for relying on the king of Aram.

“For the eyes of the LORD roam to and fro over all the earth, to show Himself strong on behalf of those whose hearts are fully devoted to Him. You have acted foolishly in this matter. From now on, therefore, you will be at war.””— 2 Chronicles 16:9 (BSB)