Adam Clarke on Luke 2:32

A light to lighten the Gentiles - Φως εις αποκαλυψιν εθνων - A light of the Gentiles, for revelation. By Moses and the prophets, a light of revelation was given to the Jews, in the blessedness of which the Gentiles did not partake. By Christ and his apostles, a luminous revelation is about to be given unto the Gentiles, from the blessedness of which the Jews in general, by their obstinacy and unbelief, shall be long excluded. But to all true Israelites it shall be a glory, an evident fulfillment of all the predictions of the prophets, relative to the salvation of a lost world; and the first offers of it shall be made to the Jewish people, who may see in it the truth of their own Scriptures indisputably evinced.