Isaiah 59 21
This is my agreement with them, says the Lord. My Spirit, who is upon you, won't leave you, and my words that I have given you to speak will always be on your lips, on the lips of your children, and on the lips of your descendants, from now until forever, says the Lord.
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AMP Isaiah 59:21“As for Me, this is My covenant with them,” says the Lord: “My Spirit which is upon you [writing the law of God on the heart], and My words which I have put in your mouth shall not depart from your mouth, nor from the mouths of your [true, spiritual] children, nor from the mouth of your children’s children,” says the Lord, “from now and forever.”
YLT Isaiah 59:21And I — this is My covenant with them, said Jehovah, My Spirit that is on thee, And My words that I have put in thy mouth, Depart not from thy mouth, And from the mouth of thy seed, And from the mouth of thy seed's seed, said Jehovah, From henceforth unto the age!
KJV Isaiah 59:21As 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.