Ezekiel is given a vision, but it's not just for his own eyes. He's commanded to do more than just passively observe.
The vision of the new temple isn't just a scenic tour; it's a divine assignment. The messenger figure, who calls Ezekiel 'Son of man' (a title reminding him of his humanity and dependence on God), issues a threefold command: 'look with your eyes,' 'hear with your ears,' and 'set your heart' upon everything shown. This isn't a casual request for information. It's a call for deep engagement. The prophet must not only see and hear, but his heart must be fully invested – pondering, meditating, and internalizing the vision. This level of attention is crucial because his ultimate purpose in being brought to this place is to 'declare all that you see to the house of Israel.' His attention is directly tied to his prophetic mission.