NET

21 “As for me, this is my promise to them,” says the Lord. “My Spirit, who is upon you, and my words, which I have placed in your mouth, will not depart from your mouth or from the mouths of your children and descendants from this time forward,” says the Lord.

Darby

21 And as for me, this is my covenant with them, saith Jehovah: My spirit that is upon thee, and my words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed's seed, saith Jehovah, from henceforth and for ever.

KJV

21 As for me, this [is] my covenant with them, saith the LORD; My spirit that [is] upon thee, and my words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed's seed, saith the LORD, from henceforth and for ever.