NET
20 teaching them to obey everything I have commanded you. And remember, I am with you always, to the end of the age.”
Darby
20 teaching them to observe all things whatsoever I have enjoined you. And behold, *I* am with you all the days, until the completion of the age.
KJV
20 “Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway,” [even] “unto the end of the world.” Amen.