Isaiah
Isaiah 2:3ESV·traditional attribution

and many peoples shall come, and say: “Come, let us go up to the mountain of the LORD, to the house of the God of Jacob, that he may teach us his ways and that we may walk in his paths.” For out of Zion shall go forth the law, and the word of the LORD from Jerusalem.

John Calvin Reformed @genevareformer

3. And many people shall go In the former verse he had slightly noticed the reason why Mount Zion would hold so high a rank. It was because all nations would flow to it, as if the rivers were overflowing through the great abundance of waters.

Matthew Henry Presbyterian @wholebiblehenry

The particular title of this sermon (Isa 2:1) is the same with the general title of the book (Isa 1:1), only that what is there called the vision is here called the word which Isaiah saw (or the matter, or thing, which he saw), the truth of which he had as full an assurance of in his own mind as if he had seen it with his bodily eyes.

Commenting on Isaiah 2:1-5

John Gill Reformed Baptist @doctorgill

And many people shall go and say,.... This is a prophecy of the numerous conversions among the Gentiles in the latter day, and agrees with Zac 8:20 and even the author of the old Nizzachon (p) interprets it of the gathering of the people to the Messiah.