1 Chronicles 17:27

And now you have been pleased to give your blessing to the family of your servant, so that it may go on for ever before you; you, O Lord, have given your blessing, and a blessing will be on it for ever.

Genesis 27:33

And in great fear Isaac said, Who then is he who got meat and put it before me, and I took it all before you came, and gave him a blessing, and his it will be?

Psalm 72:17

May his name go on for ever, as long as the sun: may men be blessing themselves by him; may all nations be blessing his name.

Romans 11:29

Because God's selection and his mercies may not be changed.

Ephesians 1:3

Praise be to the God and Father of our Lord Jesus Christ, who has given us every blessing of the Spirit in the heavens in Christ:

Treasury of Scripture Knowledge

Summary

Now therefore let it please thee to bless the house of thy servant, that it may be before thee for ever: for thou blessest, O LORD, and it shall be blessed for ever.

Bible References

Blessest

Genesis 27:33
And in great fear Isaac said, Who then is he who got meat and put it before me, and I took it all before you came, and gave him a blessing, and his it will be?
Psalm 72:17
May his name go on for ever, as long as the sun: may men be blessing themselves by him; may all nations be blessing his name.
Romans 11:29
Because God's selection and his mercies may not be changed.
Ephesians 1:3
Praise be to the God and Father of our Lord Jesus Christ, who has given us every blessing of the Spirit in the heavens in Christ:

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain