Behold, thou shalt call ... - This is evidently an address to the Messiah, and is a promise that the Gentiles should be called by him to the fellowship of the gospel.
That thou knowest not - The phrase ‘thou knowest not,’ means a nation that had not been regarded as his own people.
And nations that knew not thee - The pagan nations that were strangers to thee.
Shall run unto thee - Indicating the haste and anxiety which they would have to partake of the benefits of the true religion.
Because of the Lord thy God - From respect to the God who had appointed the Messiah, and who had organized the Church.
For he hath glorified thee - John 16:5. God had glorified him by appointing him to be the Messiah; and he would glorify him in the future triumphs of the gospel, in the day of judgment, and in the eternal splendors of heaven.