Isaiah 59:21
“As for Me, this is My covenant with them,” says the LORD. “My Spirit will not depart from you, and My words that I have put in your mouth will not depart from your mouth or from the mouths of your children and grandchildren, from now on and forevermore,” says the LORD.
What it says
God's covenant promises that His Spirit and words will remain with His people and their descendants forever.
What it is doing
This verse closes the chapter with enduring covenant continuity grounded in divine presence and speech.
In context
18So He will repay according to their deeds: 19So shall they fear the name of the LORD 20“The Redeemer will come to Zion, 21“As for Me, this is My covenant with them,” says the LORD. “My Spirit will not depart from you, and My words that I have put in your mouth will not depart from your mouth or from the mouths of your children and grandchildren, from now on and forevermore,” says the LORD.