A.T. Robertson Commentary Luke 10:21

"In that same hour he rejoiced in the Holy Spirit, and said, I thank thee, O Father, Lord of heaven and earth, that thou didst hide these things from the wise and understanding, and didst reveal them unto babes: yea, Father; for so it was well-pleasing in thy sight." — Luke 10:21 (ASV)

In that same hour (εν αυτη τη ωρα). Literally, "at the hour itself," almost a demonstrative use of αυτος (Robertson, Grammar, p. 686) and in Luke alone in the N.T. (2:38; 10:21; 12:12; 20:19). Matthew 11:25 uses the demonstrative here, "at that time" (εν εκεινω τω καιρω).

Rejoiced in the Holy Spirit (ηγαλλιασατο τω πνευματ τω αγιω). First aorist middle of the late verb αγαλλιαω for αγαλλω, to exult. Always in the middle in the N.T. save Lu 1:47 in Mary's Magnificat. This holy joy of Jesus was directly due to the Holy Spirit. It is joy in the work of his followers, their victories over Satan, and is akin to the joy felt by Jesus in Joh 4:32-38 when the vision of the harvest of the world stirred his heart. The rest of this verse is precisely like Mt 11:25f. , a peculiarly Johannine passage in Matthew and Luke, but not in Mark, and so from Q (the Logia of Jesus). It has disturbed critics who are unwilling to admit the Johannine style and type of teaching as genuine, but here it is. See on Matthew for discussion. "That God had proved his independence of the human intellect is a matter for thankfulness. Intellectual gifts, so far from being necessary, are often a hindrance" (Plummer).