Came expressly - The phrase marks that it was in truth a heaven-sent vision.
The hand of the Lord - A phrase in all prophecy implying a “constraining” power, because the spirit “constrains” the prophet independently of his own will.
Related Commentaries of Ezekiel 1:3
Ezekiel 1:3
3 The word of the LORD came expressly unto Ezekielb the priest, the son of Buzi, in the land of the Chaldeans by the river Chebar; and the hand of the LORD was there upon him.