And that thou mayest live long on the earth. Moses expressly mentions the land of Canaan, “that thy days may be long upon the land which the Lord thy God giveth thee.” (Exod. 20:12.) Beyond this the Jews could not conceive of any life more happy or desirable. But as the same divine blessing is extended to the whole world, Paul has properly left out the mention of a place, the peculiar distinction of which lasted only till the coming of Christ.
—John Calvin, Commentary on Ephesians 6:2