Arcana Coelestia #6282
6282. 'May he bless the boys' means, May he make it possible for them to have truth and goodness. This is clear from the meaning of 'blessing' as endowing with truth and goodness, for in the spiritual sense 'a blessing' does not imply anything else, 1420, 1422, 4981; and from the representation of Ephraim and Manasseh, to whom 'the boys' refers here, as the Church's understanding and the Church's will, to which truth and good were to be imparted, truth to its understanding and good to its will.
John 15:16-17
16
You didn't choose me, but I chose you, and appointed you, that you should go and bear fruit, and that your fruit should remain; that whatever you will ask of the Father in my name, he may give it to you.
17
"I command these things to you, that you may love one another.
