Shared ground
Romans 4:18–22 presents Abraham as the model case for how faith relates to God’s promise. The passage’s explicit claims are that Abraham trusted God when normal “hope” had run out, that he faced the physical obstacles (his age and Sarah’s barrenness) without letting them decide the outcome, and that he stayed focused on what God had said (vv. 18–21). The text also explicitly links this promise-centered confidence to the result: “therefore” his faith was “reckoned” as righteousness (v. 22).
The passage describes faith as promise-focused confidence in God’s ability to do what he says (v. 21), not as pretending the obstacles are not real (v. 19). It also portrays this stance as “giving glory to God” (v. 20), meaning it treats God’s promise and power as weightier than what human limits suggest.
Where interpretation differs
Some readers take “he didn’t consider his own body… and Sarah’s womb” (v. 19) to mean Abraham did not dwell on the negative facts or let them control his conclusion. Others read it more strongly, as if Abraham did not take those facts into account at all.
A related difference concerns “he did not waver” (v. 20). Some understand this as describing Abraham’s settled direction of trust even if he had moments of struggle. Others read it as describing an unusually steady, unwavering inner life.
Why the disagreement exists
Paul uses compact, punchy phrases (“didn’t consider,” “did not waver”) that can be heard as either absolute statements or as summaries of a dominant pattern. Also, the wording aims to highlight what faith does with contrary evidence, so it can be read as either “ignored” or “refused to let it rule.”
What this passage clearly contributes
- Faith, as Paul describes it here, operates when outcomes are humanly closed but God’s word remains (vv. 18–19). 2) The object of Abraham’s faith is specific: God’s spoken promise about descendants and becoming “father of many nations” (v. 18; cf. Romans 4:17). 3) Faith is portrayed as strengthened by continued focus on the promise rather than being dissolved by the obstacles (v. 20). 4) The passage’s explicit conclusion is that this kind of promise-trusting is the basis on which righteousness is “reckoned” to Abraham (v. 22).