Luke
Acts 10:36BSB·traditional attribution

He has sent this message to the people of Israel, proclaiming the gospel of peace through Jesus Christ, who is Lord of all.

John Calvin Reformed @genevareformer

36. Concerning the matter. Because the Greek text is abrupt, some think that the accusative case is put instead of the nominative; and that the sense is this, This is the word which God hath sent unto the children of Israel. Other some refer it unto the word ye know, which followeth afterward; and they think that there was another word added to make the sentence more pleasant.

Matthew Henry Presbyterian @wholebiblehenry

We have here Peter's sermon preached to Cornelius and his friends: that is, an abstract or summary of it; for we have reason to think that he did with many other words testify and exhort to this purport. It is intimated that he expressed himself with a great deal of solemnity and gravity, but with freedom and copiousness, in that phrase, he opened his mouth, and spoke, Act 10:34.

Commenting on Acts 10:34-43

John Gill Reformed Baptist @doctorgill

The word which God sent unto the children of Israel,.... Now the apostle enters on his sermon or discourse, of which the above were only a preface, or an introduction; and his sense is, that the doctrine which he was now about to preach to them, was the doctrine of the Gospel; which it pleased God, of his infinite wisdom and rich grace, to send...