Psalms 45:17

I will make thy name to be remembered in all generations - The psalmist here evidently speaks as an inspired man, and the idea is that his thus singing the praises of the “king” - the Messiah - would be among the means of causing His name to be celebrated in all future ages. This song would go down to future times, and would serve to keep up the true knowledge of the Messiah in the far distant ages of the world. No one can doubt that this has been thus far accomplished; no one has any reason to doubt that this psalm “will be” among the means of keeping up the true knowledge of the Messiah, and of securing the remembrance of him upon the earth in all future periods of the world’s history. This psalm has been on million of lips, in praise of the Messiah; it will be on hundreds of million more in future times, as expressive of tender love for the Redeemer.

Therefore shall the people praise thee forever and ever - Thy praise will never cease to be celebrated. The time will never come on earth when that praise will die away; and in all the eternity beyond the termination of this world’s history there never will arrive a period when thy name will not be honored, and when thy praises shall cease to be sung. Compare the notes at Revelation 4:10; notes at Revelation 5:9. Happy are they who join in that song on earth; happy they who will unite in it in the heavenly world!