Because he never weakened in faith, he calmly contemplated his own vital powers as worn out (for he was about one hundred years old) and the inability of Sarah to bear a child,

The person who observes a certain day [as specially sacred], does so out of devotion to the Lord. And the person who eats [only certain foods] does so out of devotion to the Lord, for he is thankful to God [for what he eats]. And the person who refuses to eat [certain foods], does so out of devotion to the Lord and he is thankful to God [for what he does eat].

and if the Spirit of Him who did raise up Jesus out of the dead doth dwell in you, He who did raise up the Christ out of the dead shall quicken also your dying bodies, through His Spirit dwelling in you.

not only out of Jews, but also out of nations,

for if thou, out of the olive tree, wild by nature, wast cut out, and, contrary to nature, wast graffed into a good olive tree, how much rather shall they, who are according to nature, be graffed into their own olive tree?