Our Lord quoted this psalm in Matthew 22-41-46-It teaches his eternal sonship and office as high priest.--Verse 3 tells us God has a people and three marks that show who his people are.--There are many ways God's people are described in the word of God. Different aspects are highlighted in different places.--The three marks of what God's people shall be in the text are--1- Willing-2- Holy-3- Fruitful