Targum Pseudo-Jonathan on Genesis 9:27 turns a brief blessing into a vision of the whole future of learning. The Lord shall beautify the borders of Japhet, and his sons shall be proselyted and dwell in the schools of Shem, and Kenaan shall be a servant to them.
Read what the Targum sees coming. The descendants of Japheth — the Aramaic will later identify them with the Greeks, the Romans, the peoples of the west — will not remain locked in their own culture. They will be drawn toward the Holy One, converted, and they will dwell in the schools of Shem. The batei midrash of Shem's line — the study houses of Abraham, Isaac, and Jacob — will one day hold the students from every distant people.
This is astonishing Jewish universalism sitting quietly inside a blessing on Noah's sons. The Torah is not a closed club. The Targum is saying that Japheth's beauty — his philosophy, his architecture, his aesthetic power — is only truly completed when it learns to sit on a study bench beside Shem.
And notice: Shem does not go out to Japheth. Japheth comes to Shem. The schools stay rooted. The teachers do not leave home. The world comes to the Torah, not the other way around.
The takeaway the Maggid leaves on this verse: Torah was always meant to be a lamp on a hill. Your job is to keep the lamp burning. The wanderers, when they are ready, will find their own way up.