Romans 4:11

and he received the sign of circumcision, as a seal of the justification by that faith, which the uncircumcised have: that he might be the father of all those who believe, tho' they are uncircumcised, that it might be accounted to them also for righteousness:

Romans 4:19-20

far from being weak in faith, unconcern'd at his own bodily decay, being then about an hundred years old, and at Sarah's incapacity of child-bearing,

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