Paul includes the Galatians even though he uses a different pronoun. Alternate translation: "so that their hearts and yours" (See: [[rc://en/ta/man/translate/figs-pronouns]])
This means brought together in a close relationship.
# all the riches of full assurance of understanding
Paul speaks of a person who is completely sure that the good news is true as though that person were rich in physical things. (See: [[rc://en/ta/man/translate/figs-metaphor]])
# the secret truth of God
This is knowledge that can be revealed only by God.
