King James Version
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.English Standard Version
teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age."New International Version
and teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age."