What in the world are you talking about. All have sinned. sheesh Who a is arguing against that. Abraham OBEYED God's commandment. IT SAYS THAT! God said walk blameless. How about...
Luk 1:6 They21 were both righteous in the sight of God, following22 all the commandments and ordinances of the Lord blamelessly.23
Sins AND righteousness are no more remembered when a person turns one way or the other.
Eze 18:21 "But if the wicked person turns from all the sin he has committed and observes all my statutes and does what is just and right, he will surely live; he will not die.
Eze 18:22 None of the sins he has committed will be held30 against him; because of the righteousness he has done, he will live.
Eze 18:23 Do I actually delight in the death of the wicked, declares the sovereign LORD? Do I not prefer that he turn from his wicked conduct and live?
Eze 18:24 "But if a righteous man turns away from his righteousness and practices wrongdoing according to all the abominable practices the wicked carry out, will he live? All his righteous acts will not be remembered; because of the unfaithful acts he has done and the sin he has committed, he will die.31
Eze 18:25 "Yet you say, 'The Lord's conduct32 is unjust!' Hear, O house of Israel: Is my conduct unjust? Is it not your conduct that is unjust?
Eze 18:26 When a righteous person turns back from his righteousness and practices wrongdoing, he will die for it;33 because of the wrongdoing he has done, he will die.
Eze 18:27 When a wicked person turns from the wickedness he has committed and does what is just and right, he will preserve his life.
Eze 18:28 Because he considered34 and turned from all the sins he had done, he will surely live; he will not die.
Eze 18:29 Yet the house of Israel says, 'The Lord's conduct is unjust!' Is my conduct unjust, O house of Israel? Is it not your conduct that is unjust?
Eze 18:30 "Therefore I will judge each person according to his conduct,35 O house of Israel, declares the sovereign LORD. Repent36 and turn from all your wickedness; then it will not be an obstacle leading to iniquity.37
Eze 18:31 Throw away all your sins you have committed and fashion yourselves a new heart and a new spirit!38 Why should you die, O house of Israel?
Eze 18:32 For I take no delight in the death of anyone,39 declares the sovereign LORD. Repent and live!