"And teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age." (NIV)

Teaching them to observe everything that I have commanded you, and behold, I am with you all the days (perpetually, uniformly, and on every occasion), to the [very] close and consummation of the age. Amen (so let it be). (AMP)

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. (KJV)