Ezekiel 36:26

²⁶ A new heart also will I give you, and a new spirit will I put within you: and I will take away the stony heart out of your flesh, and I will give you a heart of flesh.

Ezekiel 37:27

²⁷ My tabernacle also shall be with them: and I will be their God, and they shall be my people.

'Produce' denotes fruit derived from the good of charity, and truth of faith.