Was not Abraham (Abraam | Ἀβραάμ | nom sg masc) our father justified by works when he offered his son Isaac on the altar?

By faith Abraham (Abraam | Ἀβραάμ | nom sg masc), when he was being tested, offered up Isaac; yes, he who had received the promises was offering his only son,

By faith Abraham (Abraam | Ἀβραάμ | nom sg masc) obeyed when he was called to go out to a place which he would receive as an inheritance. He set out even though he did not know where he was going.

And it could be said that Levi himself, who receives tithes, paid tithes through Abraham (Abraam | Ἀβραάμ | gen sg masc),

But this man who does not trace his descent from them received tithes from Abraham (Abraam | Ἀβραάμ | gen sg masc) and blessed the one who had the promises.

And those of the sons of Levi who receive the priestly office have a mandate according to the law to collect a tithe from the people, that is, from their fellow countrymen, although they too come from the loins of Abraham (Abraam | Ἀβραάμ | gen sg masc).

But see how great this man was to whom the patriarch Abraham (Abraam | Ἀβραάμ | nom sg masc) gave a tithe of the finest plunder.

and to him Abraham (Abraam | Ἀβραάμ | nom sg masc) alloted a tenth part of everything. Translated, his name means first, “king of righteousness,” then it also means, “king of Salem,” that is, “king of peace.”

For this Melchizedek, king of Salem, priest of the Most High God, met Abraham (Abraam | Ἀβραάμ | dat sg masc) returning from the defeat of the kings and blessed him,

When God made a promise to Abraham (Abraam | Ἀβραάμ | dat sg masc), since he had no one greater by whom to swear, he swore by himself,