That it may be well with thee, and thou mayest live long on the earth. A free rendering (after the manner of the apostle) of the reason annexed to the fifth commandment, "that thy days may be long in the land which the Lord thy God giveth thee."
While the Decalogue was an expression of the will of God on matters of moral and indefeasible obligation, it had a local Hebrew element here and there. In the present ease the apostle drops what is specially Hebrew, adapting the promise in spirit to a wider area.
The special promise of long life in the land of Canaan is translated into a general promise of prosperity and longevity. As before, we must not suppose that the apostle excludes exceptions. The promise is not for each individual; many good and obedient children do not live long.
But the general tendency of obedience to parents is towards the results specified. Where obedience to parents is found, there is usually found along with it temperance, self-control, industry, regular ways of life, and other habits that tend towards prosperity and longevity.
In Christian families there is commonly affection, unity, prayer, mutual helpfulness, reliance on God, trust in Christ, and all that makes life sweet and wholesome. The spirit of the promise is realized in such ways, and it may be likewise in special mercies vouchsafed to each family.